Functionality: It can be used as an ordinary dog sling for outdoor walking, or a carrying bag when traveling. Fashion: This backpack has a lightweight and stylish design with transparent pockets and exquisite sewing. Adjustable: The neck and chest size can be adjusted by plastic buckles, suitable for different breeds of dogs. Double D ring: With 2 D rings, one in the front and the other in the back, so as to better control your dog when walking. Easy opening/closing: You can use the buckle to open or close this dog sling backpack in just 2 steps, and then use the plastic slider to adjust the size. Made of waterproof composite fabric and durable nylon webbing, it is safe, non-toxic, odorless, breathable, soft and comfortable. Let your dog wear it and enjoy it. Product Features: 1. Selected double-layer waterproof composite fabric and durable nylon webbing; 2. Double-end zipper, easy to open and close, the tension of the webbing zipper increases friction and prevents hand slipping; 3. Fashionable style, bright colors, transparent pocket design, easy to find emergency items; 4. Double pocket design, small body, large capacity, can hold more items; 5. You can put pets and the owner's small objects, it is more convenient to go out and walk the dog, you can bring your own dog's own items; 6. Comes with front and rear towing buckles, which can be towed temporarily; 7. Double buckle design, easy to wear; 8. Move the chest and abdomen straps to secure the backpack to prevent slippage. 2 sizes to choose from: S-length 15 cm, width 15 cm, height 7.5 cm, neck circumference 26-31 cm, bust 34-40 cm; M-length 22 cm, width 20 cm, height 13.5 cm, neck circumference 37-52 cm, chest circumference 50-63 cm.Notes: 1. Due to manual measurement, please allow an error of 0-2cm. 2. The monitor is not calibrated, and the color of the object shown in the photo may be slightly different from the actual product. Please refer to the actual product.