Dog goggles small breed: Suggest for small breed dog like Chihuahua, Yorkshire Terrier, Toy poodle, Maltese. These dog sunglasses will be very useful for car rides, hiking in windy conditions, and other outdoor activities. Curved design lens: In order to make the dog glasses suitable for dogs face and nose, these sunglasses are specially designed with curved lenses, cover dogs eye area well. Soft frame with vents: The dog sunglasses frame made of soft rubber with comb shape vents, make goggles fits comfortably, also there won't be water mist on the lens. Cool eye protection: Lens are made of high-quality polycarbonate, protect your pets eyes from snow, UV, wind and dust, perfect for dogs who like to hang their head out car window. Size S: Length 4.5, width 1.7, adjustable length of head strap: 6-10, adjustable length of chin strap: 5-9. Please measure your dog before purchasing.