Specifications:Anti-slip loops will securely and snugly hold on to your glasses.This eyeglasses strap ends with the ring can be adjusted to ensure that your glasses are reliably held on the nose.The eyeglasses strap is compatible with most glasses, which can prevent your glasses from slipping or falling out. These straps allow you to enjoy more freedom from indoor or outdoor sports activities such as surfing, boating, sailboat, etc.Type: Eyeglasses StrapMaterial: Faux Leather, LinenQuantity: 12PcsFeature: Anti Slip, Adjustable, DurableLength: 60cm/23.62", Diameter: 4mm/0.18" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:12 x Eyeglasses Straps