DescriptionMaterial - Soft and durable: this eyeglass straps are made of quality neoprene, which are elastic, soft and durable, making you feel comfortable when wearing and allowing you to use for a long timeWide Applications: Suitable for eyeglass frames whose arm width is 4 - 8 mm/ 0.16 - 0.31 inch and are not suitable for metal frames; The neoprene eyewear holder allows you to enjoy yourselves when rock climbing, cycling, hiking, travelling, surfing, boating, etc.Easy to use: You can insert both end of strap into your glasses frame, appropriately move eyewear strap to find the right wearing position; The floating sunglasses straps can effectively keep the glasses in place and you can wear them on the head or around the neck to avoid missing your eyeglassesComfortable - Floatable and lightweight: The neoprene sunglasses straps can float on the water, helping you to do outdoor activities and water sports without worries; The floating eyewear retainer is lightweight and washable, which is convenient for you to carry and use.More Colours in Pack: 8 colors eyeglasses straps in one set. Enough to meet your daily sport need and will be a great choice as a gift to friends.jj