This childrens glasses strap is made from neoprene, a cool & comfortable strap to keep your child’s eyewear safe & secure. It is simple to use & will fit most styles of children’s glasses (with the exception of the round wire arms) when in use it sits on the back of your child’s head for added security when wearing their glasses. Simply twist the glasses temples up into the strap until the strap sits flush against the head. Ideal for sporting activities, theme parks, p.e & more. We have over 12 years of specialising in eyewear accessories, these are designed with our knowledge & experience regarding sizing & quality. Length: 12 inches long Boys Childs Green Camouflage Neoprene Sunglasses/Glasses Head Band Strap Cord Retainer