Multi Function 2-1 Folding Dolly and Cart Open size: L45.1?W41.6?H110CM(two wheels)? L77.7?W45.1?H92CM(four wheels); Folded size: L38.9?W11.7?H64.3CM; Capacity: 150LBS/68KG(2 Wheel Dolly)?300LBS/137KG(4 Wheel Cart)