It’s no need to worry to lose the sunglass while water play, this sunglasses is available floating on the water, you can easy to find your sungalsses. These glasses is made of lightweight Methylpentene Copolymer Material for maximum durability. It can protect you from the harmful UVA and UVB rays using its UV400 lenses. This is a great item for when you are out swimming or doing any water activity.