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