Protect your beloved dog: Our product is specially designed for dogs with impaired vision. Use this product to protect your dog from collisions with surrounding objects. Rebuild your dog's confidence: Impaired eyesight dampen the dog's confidence in walking, which result in the dog's reluctance to move. Using our products allows dogs to walk with confidence and rebuild their confidence. Easy to wear and light material: This for blind dogs comes attached to a vest harness so your pet can wear it easily., and the double buckle design can prevent the dog from breaking free. Does not affect eating and sleeping:Using this product allow your dog to enjoy the daily activities that he when his eyesight was intact, including eating and drinking, sleeping or playing, all while staying confidently bump-free. [Tips]- Both neckline and bust size can be adjusted, Please measure the size of your dog before buying, and buy products suitable for dogs according to the size. size: Ring diameter 22cm