1.High mma polycarbonate (PC) siri ike ma dịgidere2.Humanized imewe, nhazi ákwà mgbochi, ngbanwe n'efu.3.Physical waterproof Ọdịdị ọkụ-retardant ihe4.Thickened Pc mpempe akwụkwọ Ndụ ọrụ 10+ afọ