DURABLE SAFETYMade from odorless and hypoallergenic silicone, which is especially recommended for your children. which relieves the pressure on the skin and creates a waterproof seal to prevent children from chlorine and raccoon eyes. The buttons on the back are very durable, The silicone is also thicker. PANORAMIC VISION Swimming goggles use high tech Anti-Fog and high level impact-resistant PC lenses provide higher waterproof performance, reduce the pressure around the eyes. The frame is made of strong polycarbonate, which is comfortable and durable.The enlarged Impact-resistant PC lens can provides a 180-degree wide vision, and provide an optimal clear vision. NO LEAKINGThe swimming goggles are made of high-quality silicone cushion are ergonomically designed to ensure that they are suitable for different facial shapes and to stop annoying leak in, so that they can reduce the pressure around the eyes and let your kids enjoy leak free swimming experience. EASY TO USEThe strap was easy to adjust with the clasp on the back. Easily clips together and easily comes apart by pushing the button. Children can even get them on by themselves and without ripping their hair out.