Plastic frame Plastic lens Nonpolarized Not easy to slip off: These eyewear straps are equipped with advanced anti slip straps, which can prevent glasses from falling off your neck even if tilted. Wherever you go, they can be firmly fixed in the loop Charming ethnic style: These eyewear belts are brightly colored, unique in style, full of charm and ethnic colors, making you look more fashionable. For more style information, please refer to the pictures Adjustable size: There is a rubber bracket on both sides of the eyeglass line, which is adjustable in size and suitable for most adults or teenagers. You can adjust the size according to your own needs to make it more comfortable to wear Suitable for most eyeglasses: from small to large frames, these eyewear brackets can provide universal compatibility, suitable for optical frames, presbyopic glasses, nearsightedness, sunglasses, etc. Universal eyewear brackets for men and women are suitable for indoor and outdoor activities Wearing comfort: These eyewear belts are comfortable and soft to wear, are not easy to break, have bright colors, are not easy to fade, are light in weight, have a small burden on the head, and are made of good materials, which can accompany you for a long time