melamine acoustic foam --Factory directly deal. Low price,Good quality. --Size,Packing ,Color depends on your request. acoustic foam , sound absorption foam , wave sponge 1) Material: Purely nature foam2) Usage:wrapping , voice absorption, fireproof etc.3) Feature:Good performance in sound absorption,shockproof,fireproof.4) Packing:Each by pc/opp bag,200pcs/ctn with customer's Logo 5) Size:all ...