Material: The frame of this pet dog waterproof sunglasses is made of safe, soft and flexible PVC, and the lens is made of PC, which is light in weight and stress-free to wear. It fits most of the dog's face shape, can be bent moderately, and has strongtoughness. Protect your pet's eyes: This pet waterproof sunglasses can protect your pet's eyes. It is shatterproof, anti-fog, windproof, anti-ultraviolet, anti-debris and waterproof. It is also suitable for dogs with eye diseases or sensitivities, and canprotect pets' eyes from strong outdoor light stimulation. Adjustable elastic band : These pet waterproof sunglasses have two adjustable elastic straps, and a special stretch cord with vents to allow air to circulate inside the glasses and prevent water vapor from being generated. The straps of the sunglassescan be adjusted according to the size of your dog, making it easy to wear. Fashion items: Dog sunglasses are suitable for daily wear, taking pictures, parties, weddings and holidays. Dress up your dog and make it more eye-catching, fashionable and charming. This pet waterproof sunglasses is also very suitable for your petto wear while walking, swimming, biking or driving.