👓Superior Material: Made of high quality plastic. The folding bridge design and foam pad inside of goggle for a flexible comfortable wearing. 👓Effective Protection: 100% UV protection and protecting your dog's eyes from wind, water, hard light and fog. Both sides have a vent to keep the air flowing through the glasses to prevent water vapor from forming. 👓Adjustable: These dog sunglasses have adjustable straps for head and chin. Perfect fit, never fall off. 👓Fashion Appearance: The perfect choice for outdoor sports and activities. Whether you are riding motorcycle with your dogs, or hangs their head out of the truck, this dog goggles will make pets look fashion and cool. 👓Length: 6.3", height: 1.77", Head flexible strap adjustable ≤ 18.9", Chin flexible strap adjustable ≤ 11.8". (No tensile measurement). Please kindly measure your pet’s size before purchasing. Suggest for 5 lbs-17 lbs dogs.