NON-SLIP SUNGLASSES STRAP : 3 pieces premium glass strap will fit securely around the ends of your kids sunglasses, and keep them on your kids face. It also can hang comfortably on chest instead of tightly around your child's neck. Never lose a pair of sunglasses again ! FLOATING CAPABILITIES ADJUSTABLE: Our eyewear retainers can float in the water. It's perfect for boys and girls ( from age 2 to 5). We've designed to be adjustable along the frames by sliding it up or down. Insert both end of strap into your kids glasses frame, appropriately move eyewear strap to find the right wearing position, the more forward, the better the fixing effect. MATERIAL SIZE : Made of Neoprene, our sunglasses strap have features of good elasticity water proof stain resistant that provides wearers comfortable experience. Dimensions: 11.81 inches long x 0.98 inches wide. High quality eyeglasses Straps won't irritate your kids temple or areas around your kids ear. WIDE APPLICATION: With our eyeglasses straps, you can enjoywater sports, boating, kayaking, rafting, swimming, beach, hiking, camping, outdoor adventures, biking, school, soccer, baseball, tennis, volleyball, golf, or in the class room without worrying about losing your eyeglass.The Neoprene glasses straps will fit most sunglass frames. Pls read the details before buy. UNIQUE DESIGNS : Includes 3 pieces of floating eyeglasses straps, no include glassesdifferent colors meet your taste. Our lightweight sunglass strap offers comfort and simplicity for enjoying the great outdoors with a fast and quick drying system when the straps get sweaty, dirty or wet.