Sturdy and Durable: Made of polyester, good sweat absorption, not easily damaged. Lightweight with a rubber end, which fits snugly and comfortably. Unique Loop Designed: Non-slip clip loop, glasses strap features an advanced clip loop to offer 100% protection against slipping off. Allows you to adjust the size of the rubber loop, extra flexible, fit for wide and narrow temples. 4 Different Colors: Colorful glasses strap is cute and fashionable style. Simple and fashionable, which adds a fashionable atmosphere to your dress. Each has a different color pattern which allows you to match your different outfit. Adjustable Length: This eyeglass holder strap is 29" long and comfortable to wear for any head and neck size. You can adjust the eyeglasses strap as you like for a tight fit or loose off-the-neck fit. Widely Applications: Perfect for sports, perfect spectacle straps for reading, but also suitable for small and large glasses arms. Specification Type: Glasses Straps Material: Polyester Strap Size: 72x0.4cm 4 Different Pattern as shown