Waterproof Dog Glasses Pet Sunglasses Eye Protection Windproof for Large Medium Dogs Eye protection: waterproof, windproof is an effective way to protect pets' eyes Cool Design: Special shaped pet glasses with black frame and clear lenses are very cool for dogs Product material: PC lens + PVC nylon strap frame, the frame material is not easy to break Product color: clear Head circumference: 36-56cm (measurement without stretch adjustment) Jaw: 20-25cm (measurement without stretch adjustment) There are vents to let the air circulate inside the glasses and prevent the generation of water vapour. Vent hole position It conforms to most dog faces, can be bent moderately, and has strong toughness. Adjust the bridge of the nose The tow rope is carefully woven with eight-strand nylon, the production result is safe and reasonable, the pulling force is more powerful and durable Package Included: 1 x Dog Glasses Note: Colors might be different due to different monitor display. Please allow slightly difference in size due to manual measurement.