Description:Premium case made from EVA (synthetic rubber-like material) fits most glass sizes. Features waterproof, durable, crush-resistant, anti-shock design which prevents cracked frames and lenses. It has a zip closure and a carabiner-style key chain clip. Suitable for outdoor activities such as swimming, hiking, biking, or skiing, or even your daily commute! One size fits most, from small children's glasses to adult frames, you can also use it as a purse, a wallet, or as a cosmetic makeup bag for carrying money, cards, keys, travel accessories, or pens and pencils.