Our folding stair climber bigger trolley dolly cart perfectly balances lightweight capability with durability and features 2-wheel design that glides up and down stairs with ease. Take it to the supermarket, flea market or the beach Collapsible and portable; easily folds down in half for compact storage when not in use; store in the trunk of your car, under the bed, in the closet or garage Multi-functional uses; use it as a shopping cart, grocery cart, utility cart, foldable cart, and overall exceptional cart on wheels with little to no assembly required; remove the bag and it becomes a lightweight dolly capable of carrying up to 35kg. Live in a apartment or condo, no problem the stair climber bigger trolley dolly climbs stairs more smoothly than any other stair climber cart or trolley on the market. Wheels are placed under the base to prevent the wheels of getting in the way of boxes