Floor underlayment Density:22,30 160kg/m3 Thick: 2mm,3mm,4mm...ect Width: 1.1m,1.37m,1.83m...ect Material: PE,PVC,XPE,Mesh... Color: white,blue... Character: Fire proof,water proof,anti-sound,avoid moisture,environmentally friendly... Packing: Roll packing with plastic bags,about 18.6sq.m/roll,450-700rolls per 20ft container Application: Hotel,home,commercial,indorr,and outdoor decoration