1.Lightweight and comfortable is the features of backpack saddle bag, offers your dog a comfortable method to carry its essentials for your trip. Multi-functional dog backpack, ideal for dog hiking, camping, long trail walks, backpacking trips, traveling or everyday use, especially in spring summer autumn. 2.Dogs harness has durable, tear and water-resistant ripstop polyester and Breathable fabric mesh offer your loved pet cooling, comfortable feelings and move more comfortably. 3.Choose the right size based on your dogs girth. Girth can be determined by measuring around the widest part of the rib cage. 4.The hiking dog packs adjustable straps can fit your dog well and sturdy buckles make it easy to put on and off,no matter your pet is small or large dogs. Dog harness hiking backpack has d-ring leash attachment, flexible grab handle. 5.Two roomy main side pocket with semi-open pockets can carry dog food, pet toys, water, waste disposal bags and so on. Lighten your load and free your hands.