Quik Cart Elite Stair Climber is the new installment in the Quik Cart family brought to you by dbest products makers of the Trolley Dolly, Smart Cart, and the Gocart. The elite quality can't be beat. Use it, abuse it, store it! This can be used for transporting, shopping, traveling, portable storage, and seating and as a stepping stool. This can be abused by hauling up to 80 pounds, has a durable heavy duty plastic seat. It can be stored by collapsing down to 3 inches thick, is rust proof, and weighs less than 8 pounds. This package contains one box trolley with the dimension 18x18x3 inch. This rolling bin facilitates the transport of groceries for seniors like no other utility carrier because of its ergonomic retractable handle. Keep your document organized on this wheeled utility organizer. Use this rolling cart as folding cart, rolling tool box, rolling cart for teachers, laundry basket with wheels, rolling files carts with wheels or file crate. Essential in classroom organization and office organization. Carries all teacher supplies for classroom. This classroom caddy should be on every teacher's shopping list of school supplies for teachers for classroom.Wheels are made out of high-quality polypropylene to ensure a smooth roll while carrying this foldable crate. Re-engineered wall panels for added strength.Made from aluminum and dense heavy-duty plastic.