Portable, the keychain makes it easy to put your glasses on your handbag, backpack or handbag to carry your any glasses. Waterproof, durable. Protect your glasses safe and clean from rain, snow, spills, or water. Anti-shatter, shock-proof design prevents frame and lens breakage. Versatile: Suitable for outdoor activities such as swimming, hiking, cycling, or skiing, or even your daily commute. Not only can carry the glasses, but also keys, cards, Jewelry, Money,lipstick, and other little stuff. Fit most standard size sunglasses, safety goggles, reading glasses from adults to kids.