... experience 4.Fit for swim & gift various high quality flag silicone swimming cap for training and competetion Material100% hight ... quality silicon material,eco-friendly,harmless,non-corrosivenessSize190*220mm,and also can be customized sizeUsageAdvertising and business promotion gift ... more than 10 years' experience2.Materials are 100% silicone rubber, non-toxic,harmless,eco-friendly3.OEM and ODM ...