The Nike Kids' Expanse Swim Mask is built to stay on the face and provide exceptional protection against the elements. Features Flex points allow natural face movement while keeping a watertight seal Wide, stretchy head strap for a smooth, comfortable fit Flexible, durable dual-density construction Kids' fit accommodates smaller faces Details Material(s):Lens: Polycarbonate; Frame: Polycarbonate; Nosebridge: Silicone; Strap: Nylon / Latex; Buckle: Polycarbonate Country of Origin:Imported