Eva material is our common name, the English name is ethylene-vinyl acetate copolymer, its chemical name is ethylene - vinyl acetate copolymer, is an extremely common material, is the daily life of a more common kind of midsole material , With its finished products with good flexibility, shock, slip, strong resistance to pressure, such as our common EVA slippers, cotton shoes, EVA phone protective cover, EVAipad protective cover and so on.