1. **Weight** The pet travel backpack is designed for small dogs and cats weighing between 5 and 20 pounds. The store recommends selecting puppies weighing less than 20 pounds as larger dogs may place a relatively heavy burden on the owner. Please measure your pet's size and choose according to the size chart. 2. **Design Features** - The pet carrying backpack is designed to fit the pet's body. The zipper design on both sides makes it convenient to put the pet in and take it out. - The built - in harness hook can be connected to the pet's collar to help ensure the pet's safety inside the backpack. - The backpack also has openings for the pet's legs and tail to stick out, which may make the pet more comfortable. 3. **Carrying Ways** This pet carrying backpack can be worn on the front or back: - When worn on the front, it allows interaction with the pet while walking, enabling sharing of joy. - When worn on the back, it makes it easier to bring the pet for activities like running, cycling, and mountain climbing. 4. **Material and Comfort** This product is made of breathable cotton and polyester fiber, which is durable and comfortable. The elastic design around the neck of the pet backpack provides flexibility and comfort. 5. **Usage and Satisfaction** This cat and dog backpack is lightweight and easy to carry. It can be used to take small dogs or cats for cycling, hiking, camping, mountain climbing, and outings. It is believed that users and their pets will be satisfied with this backpack.