Natural ventilation and comfort: This double-layered pet backpack combines a highly visible, transparent mesh upper section and a secure lower section to ensure safety and stress relief during outdoor activities such as hiking and travelling. Sturdy construction ensures stability: The front, back and sides are equipped with strong steel frames to prevent collapse. The double-sided base made of pearl cotton and honeycomb panels provides stability and comfort. Optimal air circulation: Three mesh openings ensure good ventilation when getting your pet in and out. Two ventilation openings on the sides ensure ideal air circulation. Ergonomic design for comfort: Adjustable shoulder straps and wide handles reduce strain on shoulders and back. The padded back area and chest strap provide additional support. Perfect for travelling, cycling, hiking, sightseeing and camping. Spacious storage options: The large front pocket offers space for a tablet or your pet's essentials. The transparent map pocket provides space for pet information and contact details. Side mesh pockets for additional ventilation or a small fan for cooling in summer. Escape safety and durability: Side cat flaps for petting. Belt safety hooks. Non-slip ABS rubber base for stability and protection. Foldable and space-saving: Easy to fold and store when not in use. Ideal for pets weighing up to 8 kg (cat) or 5 kg (dog). Specification: Backpack weight: less than 1 kg Backpack size: 33 * 25 * 40 cm Product material: 900D+polyester The backpack is suitable for: cats up to 15 pounds, dogs up to 11 pounds Natural ventilation and comfort: Double-layer design with mesh top and sturdy bottom provides safety for pets during outdoor activities such as hiking and travelling. Sturdy construction for support: Strong steel frames on the front, back and sides prevent collapse, while the double-sided base provides stability and comfort. Optimal air circulation: Three mesh openings and side ventilation slots allow for excellent ventilation for your pet and ensure a fresh air supply. Ergonomic design for comfort: Adjustable shoulder straps, padded back and chest strap reduce strain. Ideal for travelling, cycling, hiking and sightseeing. Spacious storage: Front pocket for a tablet, transparent map pocket for information and side mesh pockets for ventilation or accessories such as a small fan.