filter sponge, all can follow customers requested filter sponge 1) Material: sponge(Polyurethane).2) Usage:used to filtering or clean dinnerware,tableware,house items,etc.3) Packing:5 pc/opp bag,300pcs/ctn,or according to customers request.4) Size:15x15x2cm,all can follow customers requested size.5) Shape:heart,rectangle,round,customers design shape are welcomed. Filter Sponge,pu sponge