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Ergonomic Chair & Mesh Design for More Comfort: SIHOO has been researching ergonomics and people's sitting posture for over 10 years, and develops ergonomic chairs that will not fatigue even when sitting for a long time. This office chair features a 2D headrest, 2.4 inches (6 cm) up and down and can be adjusted 35° angle, allowing you to adjust the appropriate height and angle to fully support your head and neck. From the head to the back to the lumbar support, the super high quality mesh material is used, so you can feel refreshed all year long without worrying about heat or stuffiness even when sitting for a long time

Independent lumbar support & firm lumbar support: The desk chair uses a separate lumbar support to stabilize the entire waist and reduce the burden of sitting for a long time. The top and bottom can be adjusted by 2.4 inches (6 cm) to suit the height and preferences of a person. The chair can be rocking about 120 degrees, allowing you to relax and change the mood when you are tired during long hours of work or study. In addition, the S-shaped 3D backrest fits the body of the body and provides firm support for your waist, back and shoulders for a comfortable sitting experience. It can be used in a wide variety of locations, such as rooms, study, office, meeting room, drawing room, etc

3D Flip-up Armrest & Maximizes Space: The office chair has a 3D flip-up armrest, and can be rotated from front to back, 1.6 inches (4 cm) and 29 degrees. Designed to rotate 90 degrees so you can create a comfortable and free working space. If necessary, the armrest can support your elbow, make your phone or read a book or dull in comfort. When not in use, you can lift up the armrest to store it neatly without choosing the height of your desk. It saves space of about 66.6 sq ft (2 sq m) and makes efficient use of your room space

High elasticity molded urethane seat & silent casters that are scratch resistant to floors: The seat surface is made of durable molded urethane that will not lose its shape. It has a firm and high elasticity, so you can comfortably hold your butt even when working at a desk for a long time. The office chair uses silent PU casters, so it is quiet and does not scratch your floor

SIHOO office chair has passed all tests including backrest strength test, seat impact test, caster endurance test, leg strength test, etc. Equipped with gas-shilling that is certified by SGS Accredited Interception Inspection Agency, ensuring durability and safety. From the date of purchase, SIHOO desk chairs have a 3 year quality warranty. In order to ensure that you can use it for a long time, if you have any defects, defects, or any concerns, please feel free to contact us at any time

Ergonomic Design: The office chair is ergonomically designed with a 3D high back and 3D headrest design that wraps your hips in a way that conforms to your body lines and reduces stress on your waist, back, shoulders, and cervical vertee, and maintains a comfortable posture even during long periods of work. The spacious wide design is wide enough to wrap around your body. This relaxing desk chair is easy to move around with your body

(Freely Adjustable, Lumbar Support for Lower Back Pain) The learning chair is adjustable to 3.9 inches (10 cm) top and bottom and 45 degrees arc design wraps around your lower back, allowing you to lean on during rest, recline and lay down straight while working, and it fits your entire back with slight body movement. It can be adjusted according to your own spinal position and preserves the S-shape of your spine and leads to your natural posture, which helps to reduce fatigue and prevent future back pain

(High Quality Materials) The study chair uses high-quality scientific and technical fabric with a semi-matte finish that is soft and comfortable to the touch. Stain, stain, scratch, peel, crack, etc. Easy to clean and maintain. Waterproof and durable, designed to last the quality of your chair

(Easy to Assemble) The chair needs to be assembled by yourself, but you can assemble it easily without worry. Even women can do it in about 10 minutes. (Except clean-up time)

【About the product】 This comfortable high back office chair can be used in any space, such as chairs, offices, homes, meeting rooms, office rooms, study, game rooms, etc

Size: 25.2 x 26.0 x 35.0 inches (64 x 66 x 89 / 98.5 cm); Seat Height: 16.9 x 19.3 inches (43 x 53.5 cm); Seat Dimensions: 19.3 inches (49 x 49 cm); Arm Width: 24.0 lbs (61.5 kg)

Material: Back: Polypropylene; Seat: Plywood, Washer, Gas Cylinder: Metal (Steel); Armrest: Nylon, Polyurethane; Cylinder Cover: Polypropylene; Casters; Leg Base: Nylon; Cushioning Material: Urethane Foam; Seat Surface: Back Mesh: 100% Polyester

Disposal Method: Coarse waste and municipal regional inspection, paint and adhesive: "F☆☆☆☆☆", Surface treatment (surface coating): Epoxy polyester powder coating; Washing: Not available

Tools required: Hex wrench, caster stopper: None; Screw information: Hex wrench x 1 (5 mm), bolts x 4 (M6 x 20 mm), bolts x 2 (M6 x 35 mm), bolts x 4 (M6 x 45 mm), bolts x 4 (M8 x 30 mm)

Anti-Slip: None; Special Treatment: None; Country of Origin: China

Ergonomic Chair & All-Mesh Chair: SIHOO has been researching ergonomics and people's sitting posture for many years to develop ergonomic chairs that will not fatigue even when sitting for a long time. This mesh chair is made with refreshing mesh material that is extremely breathable and can be used comfortably all year round. Compared to sponge cushions, this chair has a better stretch and disperses pressure and provides a comfortable fit while sitting for long periods of time. The front of the office chair is made of elastic styling cotton to prevent pressure on the thighs, and the curved surface wraps around the seat to support a comfortable sitting experience

2D Headrest & 3D Armrest: This mesh chair uses a 2D headrest. It can be adjusted up or down by 3.5 inches (9 cm) and can be adjusted to a 45° angle. You can fully support your head and neck. The desk chair is equipped with a 3D armrest, allowing for 2.8 inches (7 cm) elevation, 35° rotation and 2.4 inches (6 cm) slide around. Fine tune armrests to fit your body shape, posture and desk height. Perfect for those who work long hours at a desk

Movable Lumbar Support & Adjustable Reclining Up to 126°: The lumbar support of the desk chair has two types of adjustments, and it can be adjusted up and down to 2.0 inches (5 cm) and forward to 1.6 inches (4 cm) in the front and back, providing firm support for your waist. The chair back has three tilting angles: 110°, 116°, and 126°, so you can freely adjust the chair to suit your preference and situation. In addition, the S-shaped 3D backrest fits the body of the body and provides firm support for your waist, back and shoulders for a comfortable sitting experience

Product Specifications & Easy Assembly: This office chair measures 24.0 inches (61 cm), depth 25.2 inches (64 cm), height 43.3 - 52.0 inches (110 - 132 cm), seat height 17.1 - 21.1 inches (43.5 - 53.5 cm). The chair is 3.9 inches (10 cm) tall and can be adjusted according to different height people, so it is comfortable for people with tall and large sizes. This desk chair has a weight of 33.0 lbs (18.9 kg), and it can hold up to 330.7 lbs (150 kg). The chair comes with assembly tools, Japanese instruction manual, supplementary parts and white gloves for easy assembly

The SIHOO office chair is certified by the American BIFMA standard, and has passed all tests such as backrest strength test, seat impact test, caster endurance test, leg strength test, etc. Equipped with gas-shilling that is certified by SGS Accredited Interception Inspection Agency, ensuring durability and safety. From the date of purchase, SIHOO desk chair has a 30-day return and money back guarantee and a 3-year quality guarantee. In order to ensure that you can use it for a long time, if you have any defects, defects, or any concerns, please feel free to contact us at any time

(Product Specifications) Product Size (W x D x H): Approx. 23.6 x 18.9 x 48.9 x 48.5 inches (118 - 128 cm); Seat Height: 16.5 - 20.5 inches (42 - 52 cm); Weight: Approx. 24.9 lbs (14 kg); Stationary Load Capacity: Approx. 24.6 lbs (1 lbs (1 lbs (12 lbs (12 lbs (120 lbs (120 lbs (120 cm); Package Size: Approx. 2 x

One-touch lift function: Pull the lever under the seat to activate the elevation desk. Easy to operate. Adjustable range: Approx. 3.9 inches (10 cm). You can adjust it to the best working position and your line of sights, and keep your posture correct

Comfortable Sitting: The headrest and backrest are made of breathable mesh, reducing stuffiness of the back of the backrest for long periods of time and comfortably supports the back of the worker. The seat is made of mesh fabric, and the interior uses high resilience cushioning for supple comfort

Convenient Features: The seat and silent casters can be rotated 360 degrees, and the height of the seat can be adjusted with a single touch. This office chair combines design, appearance and quality to add a stylish touch to your interior. It can be widely used by children, women, and men

Simple Assembly: You can assemble it with the simple tools included in the package. It can be easily completed in about 15 minutes according to the Japanese instruction manual

Ergonomic Office Chair: This stylish chair is designed with an ergonomic design. It combines the support of the backrest to stabilize your posture, and the material of the foot that follows the freedom of movement. Perfectly fits the curve of your lower back and back to improve back fatigue and pain. You can sit comfortably even when working at a desk for a long time. The simple design allows you to coordinate with any occasion such as the office, study or living room to make your room more modern and stylish

Comfortable Seat & Breathable Backrest: The seat surface of the work chair is composed of 2.0 inches (5 cm) thick high-density foam according to the curves of your hips and thighs, providing a larger surface area and greatly reduces pain. Made of high-quality reinforced nylon resin material with better elasticity and excellent breathability. No sweat from working for long periods of time, and you can always feel refreshed and comfortable

Convenient Features: The seat and silent casters can be rotated 360 degrees, and the height of the seat can be adjusted with a single touch. It can be widely used by children, women, and men. Made of premium velvet for a soft and comfortable feel. No locking function

(Easy to Assemble Chair/Product Specifications) The office chair measures 19.3 inches (49 cm), deep 16.9 inches (43 cm), chair height 26.8 - 30.7 inches (68 - 78 cm), and seat height 12.6 - 16.5 inches (32 - 4It can be adjusted to suit people of various heights with a height of about 3.9 inches (10 cm). This desk chair weighs 14.3 lbs (6.5 kg), and can hold up to 220.5 lbs (100 kg). The chair also comes with assembly tools, Japanese instruction manual, and supplementary parts. Anyone can assemble this one-piece chair in less than 15 minutes

(After Sales Service) The instruction manual in Japanese can be easily assembled in 10 minutes or less; Includes instruction manual to make the office chair more convenient and maintenance; Please select the right product from our brand Supzmg. We offer a 12 month quality guarantee. If you have any questions about the product, please contact us at any time. We will provide you a satisfactory solution

(Product Specifications) Product Size (W x D x H): Approx. 23.6 x 18.9 x 48.9 x 48.5 inches (118 - 128 cm); Seat Height: 16.5 - 20.5 inches (42 - 52 cm); Weight: Approx. 24.9 lbs (14 kg); Stationary Load Capacity: Approx. 24.6 lbs (1 lbs (1 lbs (12 lbs (12 lbs (12 lbs (120 lbs (120 lbs (120 cm); Package Size: 2

Comfortable Sitting: The headrest and backrest are made of breathable mesh, reducing stuffiness of the back of the backrest for long periods of time and comfortably supports the back of the worker. The seat is made of mesh fabric, and the interior uses high resilience cushioning for supple comfort

One-touch lift function: Pull the lever under the seat to activate the elevation desk. Easy to operate. Adjustable range: Approx. 3.9 inches (10 cm). You can adjust it to the best working position and your line of sights, and keep your posture correct

Convenient Features: The seat and silent casters can be rotated 360 degrees, and the height of the seat can be adjusted with a single touch. This office chair combines design, appearance and quality to add a stylish touch to your interior. It can be widely used by children, women, and men

Simple Assembly: You can assemble it with the simple tools included in the package. It can be easily completed in about 15 minutes according to the Japanese instruction manual

(Lower Back Pain Prevention, Independent Lower Back Support) HLIFE office chair has an ergonomic design that uses S-shaped backrest and independent 3D lumbar support. Scientifically supports the head, back and lower back of the human body and disperses pressure on the lumbar vertebrae while maintaining the natural lumbar line. No lower back pain even after long periods of sitting. High back design provides firm support for the entire back, neck and head. Comfortably supports sitting for extended periods of time

【Reclining Function · Nap on Chair】This office chair has excellent reclining function that can also be used as a nap bed. By pulling the adjustable lever upward, the backrest falls from 90 to 135 degrees to fit your body. Comes with a retractable ottoman, so you can pull it out during a nap, relax your feet in a comfortable position, or store it under the seat when not in use, saving space and convenient. The stabilized chair provides stability and support while the game chair is useful for changing your posture or taking a break during play. Provides a comfortable resting space perfect for a short nap after a long time work or study

Multi-functional Adjustment, Fully Equipped Desk Chair: 1. Adjustable seat height 3.9 inches (10 cm) to rise and down. (Seat Height: 42-52cm) 2. 135 degree reclining function 3. Rotates 360 degrees. 4. Wide headrest supports neck and head. 5. High rebound seat, 6. Breathable mesh surface. 7. Silent wheels: Resin-quiet casters with elastic and shock absorption, excellent abrasion resistance and will not damage the floor. 8. Thick 5 legs provide excellent stability and a load capacity of 330.7 lbs (150 kg)

(Includes Lumbar Support, Prevents Fatigue) This office chair comes with a memory foam lumbar support, and an elastic band allows you to freely adjust the height. It fits perfectly around the hips and naturally supports the curve of the lumbar vertebrae. Provides stable support while maintaining comfort. The bionic curved back and back cushion focuses on supporting your lower back, correcting posture, reducing strain and fatigue caused by distortion, making this game chair less likely to get tired even after sitting for a long time

(Safe Service/1 Year Warranty) Load Capacity (max): Approx. 330.7 lbs (150 kg), Recommended Weight: 66.2 - 176.4 lbs (30 - 80 kg); Recommended Height: 55.1 - 72.8 inches (140 - 185 cm). We provide a worry-free service so you can use it for a long time. Includes special tools and Japanese assembly instructions. If there is a defective product purchased from our store, we will replace the defective part or replace it with a new one at no charge. Please rest assured and enjoy your shopping!

■ (Durable Material) The laminated plywood used for the frame is a thin wood of about 0.04 - 0.11 inch (1 - 3 mm) and bonded to the wood by overlapping heat and pressure. Unlike a single piece of board, it is not affected by the grain direction, so it is a material with uniform thickness and high strength. The upholstery of the chair is made of 100% polyester fabric, and the cushioning material is made of urethane material

■ Stylish desk chair with functionality: Not only can it be adjusted in height, but it also rotates and comes with casters, so it is very easy to put on and take off. It is non-stressful because you can quickly leave your seat while working on a busy desk. The casters are also uniform in black, so they have eliminated the feeling of office chair. The rolling chair is perfect for a computer in the study room

■【Embedsive design for long hours of work】 The cushion feels just right enough to keep you comfortable even when working on a desk for a long time. The left and right side of the seat are designed to hug both legs and wrap around the legs for a comfortable feel. With both fashionable and fatigue-resistant, this product will make you feel like your work at home. The interior can also be raised to make you feel good

■【Armless Simple Design without Elbow Rest】 It gives a roomy impression without feeling too much pressure in the room. The design also allows you to pull it up to your desk or hang it around your chair. The front of the seat is curved to fit your knees when sitting. Designed with attention to detail to prevent the corners from hitting the back of the knee

■【Chair that can be used in office or living alone】 The simple yet stylish design allows you to comfortably chew around your chair. Perfect for any occasion such as studio, office, living room, bedroom, study, vanity, dorm, and more enrich your daily life. Both fashionable and practical, it is the perfect addition to your relaxing space

(Multi-functional practicality) 3.9 inches (10 cm) lift function; Silent caster for smooth movement; 360 degree rotating seat

One-touch lift function / 360 degree rotation: Pull the lever under the seat to activate the elevation desk Easy to operate. Adjustable range: Approx. 3.9 inches (10 cm). You can adjust it to the best working position and your line of sights, and keep your posture correct. The office chair rotates smoothly 360°, and directs in all directions. It can support your work for long periods of time

(High Quality Materials) The study chair uses high-quality scientific and technical fabric with a semi-matte finish that is soft and comfortable to the touch. Stain, stain, scratch, peel, crack, etc. Easy to clean and maintain. Waterproof and durable, designed to last the quality of your chair

(Easy to Assemble) Comes with a dedicated tool and a Japanese instruction manual for easy assembly. In order to ensure that you can use it for a long time with peace of mind, if there is a product defective, defective or any other questions, please feel free to contact us!

(Stylish Design) The simple design allows you to coordinate with any occasion such as the office, study, or living room to make your room more modern and stylish. Even when working at a desk for a long time, it won't get tired