... superior), flame retardant sponge (white, grey, blue and black various density specifications), nets hole filter sponge (all sorts of color ... type, type and antistatic conductive type, etc.), add hard sponge, various hardness,) high-resilience sponge (28 D, 30 D, 33 ... flame compound, pingqie) color sponge, mattresses sponge (3 of various thickness size), rubber sponge (EVA, PE, EPE), EVA from 15 to 60 ...