Material: Made of Upgrade PC+TPE, flexible strap, durable, skin-friendly and comfortable for your dogs to wearAdjustable Goggles: Adjustable straps, suitable for most large breed dogs' faces, like German Shepherd, golden retriever. please pay attention to the goggles' sizeEye Protection: Can be used as anti-dust/wind/snow/haze goggles, UV rays protection sunglasses, also for bike motorcycle helmet googles and party costume accessoryStylish Design: Oversize lenses protect your dog's eyes.Cool and funny appearance make your dog eye-catching and attractivePortable: The pet sunglasses can be folded, with zipper bag, easy to carry and store. Easy to put on and offHead Circumference: 22-38cm/8.7-14.7 in; mandible: 18-30cm/7.1-11.8 in; Nose Bridge: 6 cm/2.36 inSuitable for most medium to large dogs, like Gree, Husky, Alaskan Malamute, Doberman, and Shepherd dog