Material: Eyeglass strap is made of neoprene, fast drying, soft and comfortable, durable to use

Size: Each strap size is approx. 42 cm*2.1cm, fits most size eyeglass and sunglass, but not suitable for the too wide and too thin or metal glasses frame

neoprene

Comfortable: Light elastic fabrics with fine stretch can fit your glasses well, different sizes of heads can be wear

Easy to Use: You can insert both end of strap into your glasses frame, appropriately move eyewear strap to find the right wearing position

Application: Perfect for sports, running, hiking, jogging, swimming, beach and more, strap can keeps you from losing the glasses in a sudden burst of surf at the beach

kuou 6 Pieces Neoprene Glasses Strap Elastic Floating Glasses Head Strap Eyewear Holder Cord Anti-Slip Sports Sunglasses Strap for Men Women Kids