1. **Weight** [Recommended for small dogs and cats weighing between 5 and 20 pounds] The pet travel backpack is specially designed for carrying small dogs and cats. Our store recommends selecting puppies weighing less than 20 pounds (larger dogs may place too much 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 for you to put the pet in and take it out. - The built - in harness hook can be connected to the pet's collar, ensuring your pet's safety inside the backpack. - The backpack also has openings for the pet's legs and tail to stick out, making your pet more comfortable. 3. **Carrying Ways** This pet carrying backpack can be worn on the front or back: - When worn on the front, you can interact with your pet while walking, sharing the joy with each other. - When worn on the back, you can more easily bring your pet for running, cycling, and mountain climbing. 4. **Material and Comfort** This product is made of breathable cotton and polyester fiber, which is both durable and comfortable. The elastic design around the neck of the pet backpack provides sufficient flexibility and comfort. 5. **Usage and Satisfaction** This cat and dog backpack is lightweight and easy to carry. You can use it to take your small dog or cat for cycling, hiking, camping, mountain climbing, and outings. We believe that you and your pet will be satisfied with this backpack.