Hard Felt Sheets / Plates available in following Density- 0.34 gm/c³ Soft 0.44 gm/c³ Medium 0.56 gm/c³ Hard 0.68 gm/c³ Extra Hard Color : White / Grey Thickness : 3mm (1/8”) to 50 mm (2”) Higher thickness also possible. Size : 1 meter x 1 meter (Other sizes also possible)