Large quantity: 15 pairs of transparent lens ear hooks + 15 pairs of black lens ear hook rings. There are 2 colors, and you can combine different types of lenses. Practical and useful: Anti-slip eyeglass ear hooks can effectively prevent your glasses from slipping. Even during vigorous exercise, you don't have to worry about them falling off. Anti-slip eyeglass ear hooks are the perfect cushion between your ears and your glasses. Soft silicone material: Anti-slip eyeglass ear hooks are made of high-quality silicone. Lightweight and durable, with better softness. Even if you wear anti-slip eyeglass ear hooks for a long time, you won't feel uncomfortable. Wide range of applications: Anti-slip eyeglass ear hook rings are ideal for work, everyday life, or outdoor sports and activities such as traveling, climbing, fishing, cycling, skiing, and hiking. Anti-slip ear hooks can be attached to most eyeglass temples, reading glasses, sunglasses, eyeglasses, and spectacles. Both children and adults can use the ear hooks.