... 1m-8m advantage:eco-friendly, colorful felt (1) Material:wool(2) Size:ordinary specification 1m x 1m.(3) Density ... retardant Sound-absorbing Cotton Felt, Felt workpieces , Entertainment Felt,Wool Pad.The products are mainly used in mechanism, electromechanical, ... , textile industry,and can also be used for marble, stainless steel, precision polishing furniture, aircrafts, cars, trains, ships, machine ...