About this item FASHION DRESS UP - These glasses are perfectly used with LVTUBANLV Pet Carrier Backpack, whether it's daily outings, sports, or holiday dressing, wearing these glasses will make your pet become handsome, fashionable, attractive, and eye-catching. EFFECTIVE PROTECTION - These pet sunglasses are suitable for small dogs as daily goggles, they can not only UV proof, windproof, waterproof, dust-proof in summer walking, cycling, driving, but also block wind in winter. Nice protect your pet's eyes from harm and perfectly meet the needs of daily activities SAFE & COMFORTABLE - Made of AC plastic + EVA + polycarbonate + nylon webbing material, safe and durable. At the same time, there is a sponge gasket inside the glasses, which makes the dog more comfortable to wear without discomfort. Your pet will love the feeling of wearing the sunglasses. FLEXIBLE STRAPS DESIGN - The elastic band of the glasses can be adjusted freely according to the size of your pet's head to achieve the most comfortable wearing size for your pet. OPTIMAL SIZE - Head circumference Unscratched adjustable range: 7.87-12.59in /20cm-32cm. Mandible circumference Unscratched adjustable range: 6.69-9.44in/17cm-24cm. The size can be adjusted freely. Perfect for dogs, cats, puppy. [Please DO measure your pets and choose according to the size chart.]