Country of Manufacture: Japan
Type: Recycled glass melted at high temperatures, foamed pumice stone, firing process
Color: White
Material: Foam stone
Uses: Herbal prevention, heat preservation, prevents cold damage caused by soil temperature drops
How to Use: Lay it to about 1.6 inches (4 cm) thick and use it
Estimated Usage (Approximate): 10.9 gal (40 L) per square meter
Capacity: 13.9 gal (60 L)
1 bag: 1.5 sq ft (1.5 m2)
It is baked for a clean finish