1. Choose the most suitable size: There are 2 sizes available for this product. Please measure your dog's nose distance and chest circumference before to select the fit. Different body types require different sizes. Each harness guide is adjustable—refer to the product image for details. 2. PROTECT YOUR BELOVED DOG: Our product is specially designed for visually impaired dogs, helping prevent collisions with surrounding objects. 3. REBUILD YOUR DOG'S CONFIDENCE: Limited vision can weaken a dog's confidence during walks, making them hesitant. Our product helps dogs walk more confidently and regain their selfassurance. 4. Easy to Carry Lightweight Material: Designed for blind dogs, this product attaches to a vest harness for comfortable wear. The doublebuckle design ensures security, preventing escape. Made from aluminum strips, SBR, and foam, it adds almost no weight for your dog.