Material: Made of polyester , the glasses strap is anti-skid and of good sweat absorption, sturdy and durable, not easily damaged. You will not feel uncomfortable wearing it for a long time due to its lightweight. Adjustable Design: A rubber loop in “8” shape in the end of both sides of the strap will hold your glasses arm tight. In the middle of the rubber loop, there is a stainless steel coil, which allows you to adjust the size of the rubber band according to your own needs. Universal Use: Suitable for most glasses such as myopic glasses, farsighted glasses, squint monocular glasses, reading glasses, safety glasses, etc. Widely Applications: Suitable for daily walking, running, biking, climbing, skiing and other sports or activities of daily wearing. There is no need to worry about losing or breaking your glasses again. They also can be worn with sunglasses to add a sense of style.
