Description: 【Durable Material】: The dog hiking backpack is made of nylon with neat stitching, waterproof and durable, and can be used for a long time. 【Adjustable】: The dog saddle bag shoulder strap is adjustable, easy to put on and take off, and fits the dog's body closely, making it flexible and comfortable for the dog. 【Large Capacity】: The dog backpack has a large capacity and is made of elastic nylon. It can hold water cups, water bottles, etc., making it convenient for dogs to use. 【With Side Bags】: The outdoors dog backpack comes with detachable side bags, which are easy to put on and take off, making it convenient for you to wear your dog according to the going out situation. 【Wide Application】: Dog pack saddlebag is perfect for outdoor sports such as running, mountain climbing, training, hiking, camping and traveling. Specification: Material : Nylon Size Chart: M:40cmx28cmx3cm/15.75inchx11.02inchx1.18inch L:40cmx28cmx3cm/15.75inchx11.02inchx1.18inch XL:45cmx31cmx3cm/17.72inchx12.20inchx1.18inch Package Includes: 1 Set Dog Hiking Backpack  Note: Please allow slightly errors due to manual measurement and different monitors.