SAFE & COMFORTABLE: The Cat carrier backpack's back and shoulder straps are equipped with extra-thick padding, and the backpack's ergonomic design includes adjustable shoulder straps and waistbelt to distribute weight evenly throughout the body and provide maximum support. This ensures a comfortable carrying experience for long periods of time, allowing you to fully enjoy the outdoors without burdening your back or shoulders. HIGH QUANTITY: This pet backpack is made of 300D Oxford cloth material, which is durable, wear-resistant, and highly waterproof, making it suitable for outdoor use. The spacious interior allows your pet to sit, stand, or lie comfortably, while the breathable mesh panels all around provide excellent ventilation. This feature prevents pets from overheating and ensures proper air circulation, keeping them cool and relaxed even in warm weather conditions. PET BACKPACK SIZE: This cat backpack is 13.6 feet long x 10.8 feet wide x 16.8 feet high. Perfect for cats, dogs and most other medium/large pets weighing up 15lbs. It has two mesh pockets on the side for easy storage of small items, so you don't need an extra bag or carrier, you can use it to carry your puppy or kitten on bike rides, outdoor activities, hiking, etc. so that your pet can be safe with its owner. FULLY FUNCTIONAL: This leash backpack comes with a blackout curtain to provide privacy and comfort while carrying your dog outside, preventing your cat from stressing out due to the high brightness around you. Reflective decoration with reflective cat paws printed on the front, which is both decorative and improves safety when traveling at night. Two cock-eyes on the bottom with 30mm inner diameter for more breathability and interaction with your pet. ESCAPE PREVENTION: This cat backpack, dog bag is designed with safety in mind and is solidly constructed. The last thing you want is your pet running around in the cabin or outside. The pet carrier is made of anti-scratch mesh to keep your pet safe while flying, walking, biking or hiking. If you decide to open the top window and let your pet stick its head out, the carrier has a built-in safety leash that can be attached to your dog or cat's collar to keep your pet safe and secure. The Pet Duffel is the ultimate pet backpack that combines style, comfort and convenience! Designed for pet lovers who want to take their furry friends on adventures, this backpack provides a safe and comfortable space for your beloved pet while you explore the world together. Featuring an ergonomic design and an adjustable shoulder strap to ensure your comfort, it makes carrying your pet easy. The spacious interior provides plenty of room for your pet to sit, lie down, or even peek outside. Made of high quality breathable material, this backpack keeps your pet cool and safe every time you go outside. The pet duffel bag gives your pet a sense of love and integrates them into your daily activities. Whether you are hiking, out and about, or just strolling through the park, your pet can enjoy the journey while staying close to you. The Pet Duffel Bag will enhance your pet's adventure experience - every journey is better because of the love shared! Perfect for small to medium sized pets, this stylish backpack is a must-have for pet owners who want to make memories on the go.