5 Pairs 100percent brand new eyeglasses anti slip holder silicone glasses ear hook eyewear retainer . Very easy to put on, you just need to slide them to the end of the arm of the glasses and adjust them until your ears feel comfortable. High quality silicone, durable, soft, flexible, ultra-light, suitable for your comfortable wear. Specifications: Material:high-quality silicone. Colors: black, white, blue, red, pink Dimensions: approx. 14 x 12 mm / 0.55 x 0.47 inch. Quantity: 5 pairs