Brand new, unused ★ [Material Composition]: High-quality silica gel material, diameter: approximately 7mm, weight: 1.2g. [Comfortable to Wear]: Made of soft silicone, so it doesn't hurt even after long hours of use. Less likely to catch on hair than rubber. [Highly Flexible and Doesn't Lose Shape Easily]: The glasses ear hooks are very flexible and don't lose their shape even when stretched strongly, resulting in a long lifespan. [Affordable and Durable]: The price is also low (12 sets), 6 pairs of black + 6 pairs of white. A great help in preventing glasses from slipping. [Highly Practical]: Can be used for both daily life and sports, such as sports, cycling, running, mountain climbing, and skiing.