... 2.harmless to human body 3.highly elastic textur Hot silicon cap for swim Professional manufactory with High quality + Cheapest price+ Best service ... + +Strong design+Fast deliveryMaterial100% high quality silicon material, Eco-friendly, harmless, non-toxic, non-corrosiveness.Size220mm(Diameter ... Sea, Air and Express ( TNT, UPS, DHL,EMS, FEDEXS) Hot silicon cap for swim