7 Pack Neoprene Elastic Cord Retainer Strap Band for Sports Eyeglass and Sunglass, Eyewear Holder Strap Glasses Head Band Floater Anti-Slip Elastic Cord Rope String Holder for Men Women Kids,13

Material: Eyeglass strap is made of neoprene, fast drying, soft and comfortable, durable to use Size: Two sizes for your choice. 33.5 cm*2.1cm and 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

Specifications: Material: neopreneSize: 33.5*2.1cm/ 13*0.8 inch; 42*2.1cm/ 16.5*0.8 inchColor: blue, red, green, black, brown, gray, yellowFeatures: 1. Available in 7 colours so you and the whole family or friends can enjoy more freedom for indoor or outdoor activities.2. Good elasticity that provides wearers comfortable experience, it is washable, durable and can serve you a long time.3. It can effective keep glasses in place, and reduce the loss of glasses during daily life, it's suitable for glasses arm width of 4 to 8 mm.