3mm black rubber sponge / eva spange
Foam Sponge Rubber sponge is a type of elastomeric material made from synthetic rubber or natural rubber which is processed with special technology to produce a material with a porous and soft texture. Rubber sponge is often used as a coating or filler material in various products, such as footwear, sandals, seat cushions, mouse pads, to applications in the automotive and electronics industries.