1. Easy to Put on and Take off - HEELE dog harness with adjustable chest strap and 2 quick release buckles to ensure the safety of your dog and create a custom fit for your dog. XS Size: Neck 25.5-38cm, Chest 33-43cm. S Size: Neck 34-48cm, Chest 35-61cm. M Size: Neck 41-56cm, Chest 38-71cm. L Size: Neck 46-66cm, Chest 43-86cm. XL Size: Neck 58-89cm, Chest 53-97cm. . 2. No-Pull & No-Choke Design - There is no tension on the dog's neck, the pulling pressure is evenly distributed throughout the body to prevent pulling and choking. With 2 metal leash rings for safer dog walks. Use the ring on the chest to prevent your dog from pulling when walking, and the back ring is great for casual walks etc. 3. Easy to Adjust: With 4 easily adjustable metal straps around the body. You can use 2 neck straps and 2 chest straps to provide an ideal fit with extra growth. space. No fear of slipping or choking. Traction is evenly distributed throughout the body to prevent pulling and choking. 4. High Quality and Comfortable: Made of durable Oxford nylon and padded with soft cushion to protect your dog's skin. Lightweight, breathable and comfortable mesh lining keeps your dog cool during outdoor activities. Soft sponge padding on the chest and stomach for extra comfort and protection. 5. Safe and Perfect Control: Super bright reflective strips ensure a SAFE walk in the dark and at night. A soft neoprene padded sturdy handle on the back helps you grab and control your dog in an emergency, and also helps you get into the car. or on steps. PLEASE MEASURE your dog before purchasing to get the correct size! For more details, please read the product description below.