A 3-in-1 carrier, travel bag, and mobile bed with tear-resistant mesh, luggage sleeve, leak-resistant floor, and a shoulder strap that converts to a leash. Small is listed at 16 x 10.5 x 10.5 inches up to 15 lb and Large at 18 x 11.5 x 11.5 inches up to 25 lb; the rear insert can reduce height by about 0.5 inch. The Small selection was unavailable when checked, and neither size is universal for every flight.
