Airline-Approved Pet Carrier with Wheels: This cat carrier meets most airlines' standards. On an airplane, you can quickly disassemble the wheeled part and place it under the seat (please check with the airline for dimensions). This ensures a comfortable and secure journey for your pet, alleviating travel anxieties. The soft pet carrier (without wheels) measures 17.25"x12.5"x12.5" and is suitable for pets up to 20 pounds. Designed for Travel: The rolling cat carrier with wheels is designed to make your long travels hassle-free. It features a soft padded handle and an adjustable shoulder strap, catering to various carrying needs. With a detachable aluminum chassis, a 4-level extendable dual-bar handle, and four 360° rotatable and removable wheels, it ensures smooth, quiet, and easy movement in any direction, sparing your pet from bumps on the journey. Durable & Safe Design: This cat carrier bag is made with durable mesh fabric and high-quality 600D PU material, ensuring exceptional durability for long-term use. Its double-sided pad, one side soft short plush and the other wear-resistant are removable and washable. It also has a built-in wooden board providing a sturdy surface for pets. The cat travel carrier includes an integrated safety strap to secure your pet's collar, and the zippers are lockable to prevent pets from opening them.