Feature: 1. 1. High-quality materials: This foam transport backpack is made of high-quality Oxford cloth and sturdy ABS material. It is waterproof, durable, scratch-resistant, environmentally friendly, nontoxic and non-irritating, allowing your pets to breathe freely, relax. Suitable for travel and outdoor activities, a real pet travel backpack. 2. 2. Breathability and ventilation: There are 9 additional holes around the inflatable dog cage, and there are two side windows, and the internal air circulation and ventilation are good. The stretchable scratch-resistant net on the back provides maximum breathability, so your pet will spend time with you outdoors. 3. 3. Expandable and transparent: The unique transparent design of the space capsule makes it easy for your cat to see everything in the cat's backpack. The expandable rear panel can provide more space and more entertainment time in outdoor activities. 4. 4. Comfort: The shoulder straps are equipped with extra-thick padding, which can maintain a sense of comfort during long-distance travel. The backpack is equipped with a chest buckle to provide you with extra support. 5. 5. Approximate size: 12.6 inches x 11.4 inches x 16.5 inches (length x width x height). Easily suitable for most small and medium-sized cats and dogs. 6. 6. Eye-catching and lightweight: The weight of the entire backpack is less than 3 pounds. It is recommended that cats of 0 to 14 pounds and dogs of 0 to 11 pounds leave enough space for them to turn over. The super wear-resistant shell perfectly prevents pets from biting and scratching. Specification: Type: Pet backpackRecommended weight: Cat: about 6.5kg (0-14lbs), dog: about 5kg (0-11lbs).Material: PVC + Oxford clothColor: Blue, black, green, red, yellow, pinkSize: 31 x 29 x 42 cm Package List: 1*Backpack