The glasses strap size is approx. 42 cm * 2.1 cm (length * width). Suitable for small to standard size glasses and sunglasses temples. Suitable for adults or children. Neoprene quick-drying material: soft spectacle strap made of lightweight neoprene, comfortable to the touch and durable. When swimming, the lightweight strap will float on the water and dry quickly. see the picture Wide application range: when running, hiking, jogging, swimming and other indoor and outdoor activities, you can wear the glasses on the glasses. They can fix the sunglasses very well. Anti-slip: Both ends of the strap can firmly fix your glasses and prevent them from falling off your nose. More colors: Pack a set of 6-color glasses. Enough to meet your daily sports needs, is a great choice for gifts to friends. Glasses belt Note: Due to the difference of different monitors, there may be some color difference with the picture in the description. We guarantee that the style is the same as the description. Color: as shown in the picture. Size: 42cm*2.1cm (length * width) packing list: 1 x glasses belt set (6 pcs)