They Prevent Glasses from Sinking in Water : Our floating sunglass strap is designed to keep your glasses secure, even in water. If they happen to fall, the strap will keep them afloat, allowing for quick retrieval.
Floating Foam Sports Strap Glasses /Sunglasses / Adjustable 10 COLOURS UK SELLER
Floating Foam Sports Strap Glasses /Sunglasses / Adjustable 8 COLOURS UK SELLER
Eyeglass Chain Holders Floating Foam Chain Eyeglasses Straps Sport Glasses Cord
