1. Material - Made of durable, non-toxic and skin-friendly canvas fabric. It is lightweight, soft and comfortable, allowing your beloved dog to feel comfortable and have a great time when hiking or traveling with you. 2. Ultra - comfort - The back and adjustable shoulder straps of the dog backpack are all equipped with ultra - thick padding to reduce the burden on the shoulders and back and make wearing more comfortable. The design of leg holes and tail holes provides maximum comfort for your dog. There are zippers on the side for easy carrying. It also has a D - ring, suitable for carrying a pet travel bowl. 3. Safety - The built - in adjustable safety hook fits your dog's collar to prevent it from falling off. You can wear the X - shaped backpack, which is safer and more comfortable on your shoulders. 4. Target group - It is most suitable for medium and large dogs weighing between 2.5 and 12 kilograms. The pet speaker makes your journey more enjoyable! 5. Special features - The safe inner collar rope can be tied to the pet's leash or harness to prevent your pet from jumping. The back and shoulders are filled with foam to reduce stress and pain. You can use it as a pet backpack or a pet bag. It is lightweight and comfortable. The straps can carry the backpack vertically, which is very practical. At the same time, you can also use the cross - straps to prevent the backpack from slipping off your shoulders. 6. Net weight: 0.35 kg. Suitable for pets weighing 2.5 - 12 kg. It is suitable for pet travel, horseback riding, hiking, cycling, backpacking and outdoor activities.