Eyeglass Stoppers Contents: 2 pieces (1 pair) Ergonomic design Fits the shape of the ear for comfortable wear. Adjustable position, high elasticity, does not put a burden on the ears. Uses soft silicone material with a good feel. Durable and long-lasting. Can be stretched and attached, making it easy to install on a wide range of eyeglasses. Applicable range: Most suitable for eyeglasses with temple widths of 4mm to 10mm.