Usage Tips:6PCS Adjustable Glasses Strap, No Tail Anti Slip Elastic Eyeglass Straps, Sports Eyewear Sunglass Retainer Holder Strap for Men WomenAre you a spectacle wearer or do you need sunglasses to protect yourself from glare? The hot summer is coming, and sweating in hot weather will inevitably affect the wearing of glasses and even cause them to slip. Our adjustable eyeglass straps are perfectly compatible with most glasses and sunglasses, making them the ideal accessory for anyone looking for a comfortable, secure fit.These glasses straps feature removable cube toggle switches and small loops that allow you to adjust the straps to the size of your head, effectively preventing your glasses from slipping or falling off your nose during any activity or sport, and are tail-free , you dont have to worry about the tail of the glasses strap swinging to your face when exercising. You're free to adjust the length to your liking and attach or remove them easily, making it truly one-size-fits-all.The glasses strap adopts an upgraded anti-drop design, with highly flexible silicone anti-drop connectors at both ends of the strap, which wraps securely around the temples, allowing you to easily do whatever you want. When you need to rest, you can hang the glasses strap on the back of your head around your neck without worrying about it falling off. When using, just slide the silicone into the temples, which is reusable and very convenient.Made of high-quality silicone material and elastic polyester material, odorless and non-toxic, soft and safe, fixed on your head, neither too tight nor too loose, no discomfort, will not snag your hair, giving you ultimate comfort ; Waterproof, quick drying, lightweight, breathable, safe and very soft for everyday use, perfect for sports or when the naughty boys play.Great for most sunglasses, everyday glasses, presbyopia and reading. Perfect for daily use or outdoor sports such as fishing, cycling, skiing, hiking, rock climbing, etc. In addition, it can be used as a fashion accessory or as a decoration to add style to your glasses while providing extra functionality and convenience.Product size: 320mm (adult size) six pieces