About this item - 3-in-1 Versatility: Instantly switch between a 2-wheel upright dolly and a 4-wheel platform cart without tools. The bottom plate opens or closes to adapt to various tasks. - Heavy Duty Construction: Made of robust steel, supports up to 500 lbs in 4-wheel mode and 220 lbs in 2-wheel mode. Features two 4-inch 360° swivel front wheels with foot-activated brakes for quiet, secure rolling, and two 6-inch directional rear wheels for stability. - Foldable & Compact: Expands for larger loads, with a telescoping handle adjustable to 35 inches. Folds flat to just 34" x 16" and weighs only 16 lbs, making it easy to store and carry. - User-Friendly Design: Includes two elastic ropes to secure items. Ideal for home, office, and warehouse use. - Reliable Support: If you have any questions or concerns, contact us for prompt assistance.