Length-6.7'/17.0cm, width-2.0'/5.0cm. Provides your dog protection from wind, debris, and UV light. Foam is padded arround the lenses, prefectly alleviating eyestrain or the pressure from the shaft. There are vented holes on two sides of the frame, guaranteeing freely breathing of eyes, preventing vapour condensating. Material: Plastic; For dogs about over 15 lbs, NOT for mini pets!