Made from durable soft elastic Cloth,make it suitable for both adult and children to wear.

It can securely keep your glasses on, no more worry about the glasses slide off the nose when sweaty or looking down.

Very soft on the ears and nicely keep glasses on during sports play.

Vikenner Universal Non-Slip Floating Fixed Strap Sports Glasses Rope Adjustable Swimming Sunglass Holder Straps Glasses Holder Lanyard Elastic Eyeglass Cord Square Buckle