Features:1. Super good flexibility: The glasses are suitable for medium and large dogs, the glasses frame can be bent properly, and the toughness is strong.2. Adjustable straps: The head and jaw nerds are flexible, easy to pull and adjust, and make the dog comfortable since wearing.3. Ventilation holes: There are ventilation holes inside the glasses to allow gas to circulate in the lens without geneing tax on the lens.4. Comfortable material: This pet dog goggles with transparent lens for eye ion is made of PVC material.5. Suitable scene:This dog goggles can give dogs a clear vision when walking, swimming, biking, motorcycle riding, skiing, cycling or driving.Description:It is suitable for medium or large dogs, such as labrador, golden retriever, husky, shepherd, samoyed, etc. But not suitable for small dogs.Specifications:Material: PV Lens, PVC FrameLens length: 7 inchHigh: 2.2 inchHead circumference: 23-42cmJaw: 17-30cmColor: transparentPackage Included:1 * Dog GogglesNotes:1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.2. Please allow slight dimension difference due to different manual measurement.