1.The dog backpack is made of high quality 16A washed canvas with clean stitching and comfortable to wear. A dog trekking bag suitable for medium and large dogs. 2.With adjustable dog neck strap and adjustable clasp, with quick release buckle. 3.The top handle of the dog bag will guide the dog to move forward, allowing you to easily control and train your dog to walk around you. There is a D-ring on the top that can be tied with a dog leash for more control. 4.Comes with 2 large side pockets, suitable for carrying water, dog food, snacks, toys, and you can put cell phones and keys. 5.The back of the bag is a mesh design, which has good outdoor permeability during outdoor sports. Specification Color: black/army green/khaki (optional) Material: canvas Size: M/L (Optional) Size Back length Bust Neck circumference M 34-43 cm 52-70 cm 56-80 cm L 44-55 cm 58-76 cm 62-86 cm Foldable Size: M: 24 x 16 x 5 cm. 4 x 6. 7.6 x 5 cm. L: 29 x 20 x 5 cm/11. 4 x 7. 23 x 5 cm. Note: 1. Due to various factors such as monitor brightness, light brightness, etc., the actual color of the product may be slightly different from the image displayed on the website. 2. Please allow for slight manual measurement bias in the data. The package includes: 1 dog saddle bag