Made from a sturdy frame, the lightweight PawHut Travel Trolley can be both used as a trolley and backpack making any journey with your fur buddy both comfortable and enjoyable. With its 4 detachable PU wheels and 2 adjustable plastic rod pull positions make the trolley easily maneuverable. Designed with breathable mesh fabric, the Travel Backpack is ventilated keeping your pet from overheating. Included with a safety buckle lock for security the Trolley also has a water-resistant feature making it weather resistant keeping your pet dry at all times.  Features and Benefits Roomy - The Pet carrier backback gives your furry friend a cozy place with plenty of room in the bag to lounge and sprawl out. Store pet supplies and more in the 2 storage pockets on the side.  2-In-1 Design - This pet bag can be used as a trolley bag or backpack. It's very convenient for you to take it wherever you want with its retractablie tie rod and top handle.  Easy IN & OUT - This pet backpack carrier allows