This is a set of 5pcs eyeglasses straps. With the adjustable coils, it can hold tight to the ear wires to make sure it won't fall off. The anti-slip loops will securely and snugly hold on your glasses. Suitable for most glasses frames and hold the glassses securely. Feature - Color: Random. - Material: Nylon+Spandex.- Size: About 60 x 1 x 1cm.- These glasses holders are made of high nylon and spandex, which makes it and durable without fraying or breaking.- Adjustable strap ends with coils, simply move the silvery coiled, can hold tight to the ear wires of your glasses, unable to fall off.- Fits most glasses: universal connectors fit most glasses frames, can work well with prescription glasses, sunglasses, reading glasses, safety glasses, etc.- Perfect for everyday use or for outdoor sports such as fishing, biking, skiing, hiking, climbing, etc. Fits most sunglasses, daily glasses and reading glasses.Packing list: 5 x eyeglasses straps