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: 17.5x11.2x11.4 in (445x285x290 mm). Recommend for pets up to 25 lbs. Please check the regulations of the airline before departure. Comfortable and Breathable: Extended on both sides to provide a spacious space. With 4 sides 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. Sturdy and Durable: Made of 600D Oxford cloth thickened fabric, the cat carrier with wheels can carry small pets up to 25 lbs. It features long-lasting use. Perfect for car travel, trips to the vet, or any adventure with your small furry friend.