High-quality materials The dog backpack is made of durable nylon, soft cotton and a breathable mesh inner layer, which provides a better grip for your beloved pet and ensures that your dog is safe and comfortable. Large capacity The dog backpack has a large pocket with zipper opening and closing, which can be used to hold water, snacks, dog food, garbage bags, toys, etc., so that you can free your hands and relieve stress when hiking, camping and traveling. Adjustable and safe. It can be used as a strap or as a backpack. Adjustable quick-release buckles on the neck and abdomen provide extra safety and are easy to put on and take off. Versatile It can be used as a harness and a backpack. The sturdy D-ring can be easily worn on a leash. It is sturdy and durable, allowing you to easily control the dog's movement direction or train the dog to walk next to you. It is perfect for daily walks, weekend parties or just to make your pet look its best. SIZES dog saddle bags are available in two sizes: S, L, suitable for most small and medium-sized dogs, suitable for daily walks, weekend parties, hiking, camping, traveling, walking, running and service dogs, or just to make your pet look the best good. Daily necessities The dog backpack is made of durable nylon, soft cotton and a breathable mesh inner layer, which provides a better grip for your beloved pet and ensures that your dog is safe and comfortable. Get the dog trekking backpack now. You and your dog can use this multi-functional dog backpack together during hiking, camping, long-distance trekking, backpacking, exploring, traveling or daily use, just for good looks. Small and medium dog backpack Size information: S --- Bust: 32cm-46cm/12.6in-18.1in; L --- Bust: 40cm-54cm/15.7in-21.3in; Two sizes of cute cartoon frog backpacks are more suitable for small and medium-sized dogs. It is very suitable for daily walking, outdoor travel, and helping overweight pups to carry weight and exercise. It can also be used as a canine first aid kit to store medicine and other necessities; measure and refer to our size chart before ordering to find the most suitable size.