Color: 5 colors. Material: durable soft elastic silicone.

Total length: 22cm. Hole size for glasses legs: 0.9cm*0.2cm.

Elastic silicone strap design, make it suitable for both adult and children to wear.

Installing the anti-slip strap on your glasses legs and wearing it on your head, can effectively prevent your glasses from falling when you are doing sports.

NUOLUX Eyeglass Chain Eyeglasses Sunglasses Strap Anti-slip Elastic Silicone 5 Color