Versatile Perfect for everyday use or for outdoor sports such as fishing, biking, skiing, hiking, rock climbing, etc. Universal FitFits most sunglasses, daily glasses and reading glasses. One size fits all, making this glasses accessory perfect for both men and womenAdjustableFully adjustable to ensure a snug fit around the head so that glasses do not fall off or slide down your nose. Extendable so that your glasses can be carried around your neck as well!Almost InvisibleThis strap model allows you to wear it with no tail behind your head. So, this is perfect for sports and outdoor activities when you have to run or move fast.Specification:Material: soft and silica gelColor: BlackWeight: 10 gPackage Include:2 * Eyeglass StrapWarm tips:Please keep away from the kids under 6-year-old.The product contains small objects which are not suitable for children under 6 years old.