3 Pcs Elastic Silicone Eyeglasses Holder Eyewear Strap Retainers Sunglasses Cord

3 pcs elastic silicone eyeglasses holder eyewear strap retainers sunglasses cord features: materials: soft silicone. color: black. package:3pcs. size: length: 21cm/8.3inch. net weight:4g per piece. soft and stretchable silicone. good elastic, the rope can be stretched to 50cm, fit most head circumference, the diameter of the hole also can be stretched, easily fit most glasses legs, don’t worry about the leg’s size of glasses. ergonomic design, broad rope, close to scalp, light and no harm to your ears, essential tools for preventing the glasses slip off. description: 3pcs per order. materials: soft silicone. color: black. size: length: 21cm/8.3inch. net weight:4g per piece. package:3pcs. soft and stretchable silicone. good elastic, the rope can be stretched to 50cm, fit most head circumference, the diameter of the hole also can be stretched, easily fit most glasses legs, don’t worry about the leg’s size of glasses. ergonomic design, broad rope, close to scalp, light and no harm to your ears, essential tools for preventing the glasses slip off. if you need more quantity than shown available - just send me a message and i'll increase the purchased limit for you. shipping we are always working hard to ensure your package arrives as soon as possible. please understand that some factors like weather, high postal traffic, and the performance of shipping companies are outside of our control. we offer free shipping to the lower 48 states and ship within 3 business days of payment, usually sooner. we do not accept p.o. boxes. please provide a physical address. thank you.