... , high cross force, not easy loose deformation. Wool felt are elastic, acid-resistance, wear resistance, ... insulation, sound proofing, and sound absorption. Characteristic of wool felt: *Eco-friendly.The material of the felt ... is from wool.The wool itself is one kind of the biodegradation, ... ,stainless steel plateUsage:Wool felt can die cut any shape, such as felt ring, felt pad, ...