filter sponge Factory directly sell,low price,good quality, size,packing ,colour can according to your request. filter sponge1) Material: sponge(Polyurethane).2) Usage:used to filtering or clean dinnerware,tableware,house items,etc.3) Packing:one pc/opp bag,300pcs/ctn,or according to customers request.4) Size:14x10X5cm,all can follow customers requested size.5) Shape:heart,rectangle,round, ...