Protect your beloved dog: Our products are specially designed for visually impaired dogs. Use this product to protect your dog from collisions with surrounding objects. Rebuild your dog's confidence: Visual impairment can impair your dog's confidence in walking, causing your dog to be reluctant to move. Using our products allows dogs to walk with confidence and rebuild their confidence. EASY TO WEAR AND LIGHTWEIGHT MATERIAL:This blind dog halo attaches to the vest harness so your pet can easily wear it. Double buckle design prevents dogs from interfering with feeding and sleeping: Use this product to allow your dog to enjoy daily activities including eating and drinking, sleeping or playing with intact vision, while confidently staying bump-free. The neckline and bust can be adjusted, please measure your dog's size before purchasing, and buy products that are suitable for your dog according to the size. Size: M = circle diameter 33CM (suitable for 13-20KG) collar 32-45CM, bust 36-50CM Material: Aluminum+SBR+foam Package Contents: 1 x Blind Dog Seat Harness Guide Only the above package contents, no other products are included. Note: Light shooting and different monitors may cause product color pictures to be slightly different from the actual product. Measurement tolerance is +/- 1-3 cm.