About this item Three size for choice,no matter you are adult or child ,you can definately have the one that most suitable for you . SAFE SILICONE: Made of high grade silicone, skin-friendly materials, will not cause allergies, odorless and nontoxic. Adult, older and kids all can use it safely.They are non-slip, soft, elastic, not easy to break and easy to clean, allowing you to use them repeatedly 12 COLORS, 12 PAIRS: Coming 12 pairs assort colors soft silicone glasses ear hooks, black, colorless, brown, sky blue, yellow, pink, deep blue, orange, purple, fuchsine, green, red. You can change the ear hooks every day, express your different mood. COMFORTABLE TO WEAR: The ear grip hook is ergonomic design and scientific curve, just fit to ear. It is also light weight, and comfortable to wear, you can’t even feel it behind your ear. It will not put pressure on your ears WIDE APPLICATION: It fits almost kids, men, women any pair of eyeglasses, reading glasses, sunglasses, whether the temples are thin or thick. You can use the ear grip during working and exercising including cycling, hiking, running, playing football, playing basketball etcWidely applicable that fits most of eyeglasses, reading glasses and sunglasses