Stair Climber Trolley Dolly with Seat, Blue Shopping Grocery Foldable Cart Tailgate Our folding Stair Climber Trolley Dolly with Seat cart perfectly balances lightweight capability with durability and features 6-wheel design that glides up and down stairs with ease. Take it to the supermarket, flea market or the beach. Collapsable 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 110 lbs. Like no other cart with Seat on the market, the Trolley Dolly with Seat contains padded foam seat cushion and back support so you can take a rest when you are tired. Seat holds up to 250 lbs. Live in an Apartment or Condo, no problem The Stair Climber Trolley Dolly climbs stairs more smoothly than any other stair climber cart or trolley on the market.