Features & Details Airline-Approved Cat Carrier: Designed to meet TSA standards, our rolling pet carrier can be used under most airline seats. Size of the pet bag: 17.5x12.2x11.8 in (445x310x300 mm). Recommend for pets up to 22 lbs. Please check the regulations of the airline before departure. Sturdy and Durable: Made of 600D Oxford cloth thickened fabric, the cat carrier with wheels can carry small pets up to 22 lbs. It features long-lasting use. Perfect for car travel, trips to the vet, or any adventure with your small furry friend. Double-layer Wheels: The rolling cat carrier features 360° smooth and quiet double-layered, wear-resistant wheels with a 2.1-inch diameter. It ensures a bump-free journey on various road surfaces for your pet. Comfortable and Breathable: Designed with 5 breathable mesh windows, our pet carrier provides excellent ventilation and a wide view. The back and shoulder straps have thick padding for added comfort during long trips. The small side pocket can be used to store pet supplies and a pet bowl, so you can keep your pet's food on the go. User-friendly Details: Enjoy versatile use with multiple carrying options: hand-held, wear on your back or shoulder, or pull with the 4-level adjustable aluminum alloy pull rod. The self-locking zipper prevents your pet from escaping, while the detachable Velcro offers easy carrying and storage.