Description: Made of quality silicone, soft and light, good elasticity, comfortable to wear. Anti-slip design, waterproof and sweat-resistant, reduce the slippage of glasses. Multi colors and various styles combo set are available to meet your diverse needs. Eyeglass spectacle retainers, nose pads, reduce slippage and prevent loosing glasses from face, suitable for most eyeglasses, sunglasses, reading glasses, etc. Widely used sports, work, daily life, etc. Good choice for not only the kids but also the people who like sports or low nose or wearing not suitable eyeglasses frame. Specification: Material: Silicone Size: Universal Set Includes: 12 Pairs - 4 Pairs sleeve retainers, 4 Pairs ear hooks, 4 Pairs round retainers; 18 Pairs - 3 Pairs nose pads, 3 Pairs sleeve retainers, 3 Pairs round retainers, 9 Pairs ear grip hooks; 8 Pairs+8Pcs - 8 Pairs ear grip hooks, 8Pcs Glasses Anti-slip Strap; 12 Pairs+6Pcs - 6 Pairs round retainers, 6 Pairs ear grip hooks, 6Pcs glasses straps 16 Pairs - 4 Pairs sleeve retainers, 4 Pairs round retainers, 4 Pairs ear hooks, 4 Pairs nose pads Package Includes: 1 Set Eyeglasses Retainers(2 Pack) Note: 1. If it is difficult to put on them to your glasses, you can loosen them with hot water for seconds or use some lubricant to help. 2. Its easy to clean, just use water or soup. Leave it to dry naturally or use hair dryer.