5pcs Sports Glasses Elastic Neck Strap Retainer Cord Chain Holder Lanyard for Eyeglasses

Features: 1. Made of quality material, safe, skin-friendly, soft, breathable, elastic and durable. 2. It can be firmly connected to your glasses to prevent them form dropping while sports. 3. Highly elastic, fits most people" head circumferences, and adjustable to change the length for proper fit . 4. Suitable for most glasses with leg width within the range of 4 - 8 mm , easy to use. 5. Suitable for sports like running, basketballs, etc. Specification: Material: Neoprene Color: Black Size (L*W): Approx. 42 * 2 cm / 16.53 * 0.78 inch (Elastic - Maximum stretched length is 52 cm / 20.47 inch) Suitable for: Glasses with leg width within the range of 4 - 8 mm / 0.157 - 0.314 inch Weight: Approx. 26 g Package List: 5 * Glasses Elastic Straps