The Vevor rolling pet carrier backpack is designed to keep small pets comfortable and secure during travel. Made from durable 600D Oxford cloth, it features 3-sided breathable mesh windows, 5 storage pockets, and multiple carrying options including hand carry, shoulder carry, backpack use, and rolling transport. Double-layer 360° wheels and a 3-level adjustable aluminum alloy pull rod help provide smooth mobility on different surfaces. This carrier is suitable for pets up to 18 lbs and is convenient for trips to the vet, car travel, and everyday outings.