Premium Material: Made of high quality Lens PC and Frame PVC, elastic nylon, PC lens with high light transmission, high strength and toughness. Protect your pets eyes from snow, UV, wind, dust and fog. Highly recommend to dogs with eye disease. Perfect for Outdoor Activities: Put dog goggles on so your dog can enjoy the ride, protect dogs eyes from sand, wind or debris when they had their head out of the window. Adjustable Strap: dog goggles have a strap for around the head and under the chin with adjustments on both so they stay secure stay in place well. Soft and Lightweight Frame: Soft frame avoiding push too hard on face, dog can be well adapted and accepted; it takes time to get used to it if wear for the first time. Please pay attention to the bridge of dog nose before purchasing, so that it fit perfectly. Fit medium-large dogs like Lab, Husky, Alaskan Malamute, Doberman, Shepherd, Retriever and so on.