Lens is a professional polyester lens with light weight, wear resistance, high impact resistance and high light transmittance. The UV glasses with cotton high-elastic rubber band, can freely adjust the length of the non-slip high-elastic rubber band, adapt to any head type. The sponge is filled around the lens, and the high-density sponge has good breathable and thermal properties. It can also be folded, easy to carry and waterproof. High-quality plastic and shatterproof lenses are used for flexibility and safety. This fashion eyewear adopts foam padded frame design to prevent your pet from feeling uncomfortable for a long time.Sunglasses dog The UV goggles are ideal for everyday protection or for those with eye problems or sensitive dogs. Not only can block UV rays, but also protect dog's eyes from sand or other things. The fresh design draws attention others on themselves. A variety of colors can be selected. Fashionable glasses for the dog who loves outdoors is the best gift for your pet. Note: 1. Not suitable for small dogs. 2. It may take your dog a while to get used to the glasses. 3. Due to different product batches or manual measurement, the dimensions may be slightly different. Due to the ad can the colors vary slightly. Thank you for your understanding. Material: Polycarbonate. Adjustable. Design of the pores. This Polycarbon Lens Dog Goggles is a professional lens made of polyester, light weight, wear resistance, high impact resistance and high light transmittance. The low refractive index and high light transmission are high. This pet sunglasses features cotton band elastic strap, which allows you to freely adjust the length of the non-slip elastic strap, very elastic for any head. Dual ventilation allows air circulation in the eyes to prevent moisture build-up, good air permeability and heat dissipation. Terry cloth design This fashion eyewear adopts foam padded frame to keep your pet uncomfortable for a long time. Foldable design. These foldable pet goggles are foldable for easy portability and storage.