Bark and Meow Premium Pet Backpack Travel Carrier with Detachable Roller System and Silicone Pet Bowl for Dog and Cat DLC1001B Detachable rolling system provides maximum flexibility to suit a variety of transportation scenarios Large mesh windows provide plenty of ventilation and visibility Included fleece cushion provides comfort for your pet Complies with carry-on requirements for most major airlines Main Compartment Dimensions: 10 L x 13.5 W X 16 H inches