Eye Protection: The dog sunglasses stay in place and provide a good fit, and the eyecup and chin cup are adjustable so dogs won't easily take them off. Lightweight and smooth frame does not put pressure on your pet's face, protecting your pet's eyes from damage. Highly recommended for dogs with eye problems. Premium Material: The dog glasses are made with a soft TPE frame and 2 adjustable flexible straps. The lenses are durable, shatterproof and UV resistant. The vents on the dog sunglasses can help your dog dissipate heat. Cool outfit for the outdoors: ideal for daily walks or enjoying your head out the window while driving, preventing your pet from crying and providing a good view. These glasses can be used all year round and are also wind and snow resistant when your dog is playing in the snow in winter. Easy to store: our dog glasses come in a hard case with a zipper to prevent the glasses from being scratched. A beautiful package is a great gift for your dog. Size: adjustable head length: 22-38cm; adjustable chin strap length: 18cm-30cm; suitable for most small to medium sized dogs. The bridge of the nose is 6 cm / 2.36 inches wide; fits most small to medium sized dogs, please measure dog's nose area to ensure fit. Packing List: 1 * Pet Mask Goggles We only sell the Pet Mask Goggles in the picture, not other items. Due to the differences between the different monitors, the pictures may not reflect the actual color of the item. Due to the manual measurement, please allow a slight error in size.