1. Quality materials: Our dog glasses come with a soft TPE frame and 2 adjustable elastic straps. Highly UV resistant. The vents in your dog's sunglasses mask help your dog lose heat. 2. Small and comfortable dog goggles: It fits well on the dog's head and provides a good visual effect. The soft frame will not damage the fur on the dog's face and eyes. Dogs like to stick their heads out the window. Dog sunglasses can prevent small rocks or other objects from hitting your dog's eyes. 3. Size: Perfect for long-roomed dogs such as Corgis/Pomeranian/Boston Terrier/Black and Brown Coon Hound/American Staffordshire Terrier. Head circumference: 15-29cm(adjustable range without stretch) Jaw: 12-20cm(adjustable range without stretch). Not recommended for large dogs. 4. Easy to store: It is equipped with a hard pet glasses case with zipper to prevent pet glasses from being scratched. A nice package is a great gift for a dog. Please measure the dog's mouth circumference. 5. Dog summer sunglasses: Dog sunglasses can effectively protect against UV rays and direct sunlight in the summer. You can take your pet dog outside for a ride and enjoy the summer sun it will block UV rays in the winter and prevent snow from getting into your dog's eyes.