Eye protection: The dog sunglasses stay in place and provide a good fit with the head and chin straps being adjustable, the dog would not easily take it off. Lightweight and smooth frame will not stress your pet's face and protect your pet's eyes from damage. Highly recommended for dogs with eye diseases. Quality materials: Glasses for dogs composed of a soft TPE frame and 2 flexible adjustable straps. Durable and hard to break, the lenses are UV resistant. The exhaust holes of dog sunglasses can help your dog dissipate heat. Cool outfit for outdoor activities: Perfect for daily walking or enjoying your head out the window while driving a car, preventing tears from your pet's eyes and providing a good view. These glasses can be used all year round and can also protect against snow and wind when your dog is playing in the snow in winter. Easy to store: Our dog glasses are equipped with a hard glasses case with zipper to prevent the glasses from being scratched. A beautiful package is a great gift for your dog. Size: Head adjustable in length: 40cm-53cm(16-21); Adjustable chin strap length: 17.5cm-30cm( 7-12); the widest of the nose bridge is 6cm/ 2.36"; fits most small to medium sized dogs, Please measure the dog's nose area for a perfect fit. Number of Shipments : 1 pcs