NACOCO Pet Glasses Dog Sunglasses Dog Glasses Golden Retriever Samoyed Sunglasses Goggles Big Dog Sunglasses Suitable for use in more than 13 pounds dog Glasses 6.3 inches length, single frame 3 inches long 3 inches wide, built-in lens length is 2.2 inches, 1.4 inches wide, elastic adjustable. Each pair of glasses is head and jaw two bandages, never fall off The belt can be adjusted Quality assured