Stair Climber Trolley Dolly Sport is the newest cart brought to you by dbest products makers of the Trolley Dolly, the Smart Cart , the Gocart, Cruiser Cart and the Quik Cart.This cart with wheels is the ideal Multi-Purpose hand truck to help you carry your groceries and other items up a flight of stair, curbs, sidewalks and other terrains. The Stair climber cart is collapsible for compact storage or it can become your easy to use portable Dolly while on the go. Whether you are running errands, shopping, moving boxes of supplies this dolly can help you carry it all! Stress-free without worrying how you will transport all your belongings or other goods. Our bag is able to carry all your items in ONE LARGE BAG IN ONE TRIP!! Let our new fully functional 6-wheel design do all the heavy lifting for you. It can lift all your belongings upstairs, downstairs, curbs or uneven paths. Take it to the supermarket, flea market or the beach; Capable of climbing high curbs and sidewalks with ease. The weatherproof material of the trolley bags keep contents dry from the rain, snow and the other forces of nature; Also includes soft ergonomic cushion handle which reduces the stress on the hands; Ideal for mobile seniors or shoppers without vehicles.