Dog Cat Goggles Eye Wear UV Protection Foldable Adjustable Waterproof Pet Sungla Material: Plastic; For dogs about over 15 lbs, not for mini pets ! Head elastic band minimum 240mm/9.45", max 410mm/16.14". Neck around 190-310mm/7.48-12.21" between the pet can be worn. UV protection and prevention are key to your pet's healthy eyes. Shatterproof Lens. Anti-fog is available, protection against UV/wind/water/debris.