Bark and Meow Premium Pet Travel Tote Carrier Bag with Detachable Roller System and Silicone Pet Bowl for Dog and Cat Black / Grey Detachable rolling system provides maximum flexibility to suit a variety of transportation scenarios 4 wheel trolley system can be detached from bag and handle can be folded for easy storage Integrated short leash prevents pet from jumping out Crafted from premium materials for maximum durability Main Compartment Dimensions: 24 L x 12.5 W X 15 H inches. Please check airline for carry-on rules - Not approved on all airlines!