Along with the rhythm of life, it is associated with glasses, goggles and sunglasses, but are you worried about the safety and securing of your glasses just like us? The ADEFAL eyeglass strap will solve these problems perfectly. The sunglasses straps need for adults are easy to carry, perfect for outdoor sports such as adventure, cross country, skiing, skating, riding, fishing, swimming and so on, you can do any difficult action without worrying about your glasses slipping or losing them. Kids glasses straps that kids need today, many children need glasses to help their eyesight. It seems to be the most troublesome scenes where glasses fall or break down or break. Students need eyeglass holder straps so you can play with them safely even when playing intense sports such as basketball, soccer, tennis, volleyball, etc. Medical Professionals Eyeglass Strap - Sweat will slip off your glasses or get in the way of your daily tasks, you need to hold your glasses with your hands. Eyewear Retainer Cable Straps - Specifications and Sizes Suitable for eyeglass leg width:0.19-0.59inch Length adjustable range: about 8.5-13.4 inches It can fulfill almost 95% of the head circumference. Note: However, metal frame thin leg glasses (0.17" or less) cannot be fixed.