Dual-Section 300L Large Capacity : Oxford cloth construction with waterproof inner layer; 2 compartments (150L each) for easy laundry sorting by type, total 300L extra-large storage.Heavy-Duty Reinforced Stainless Steel Frame : Reinforced stainless steel frame fixed with screws, offering strong load-bearing capacity and resistance to deformation,durable for high-frequency use.Foldable Space-Saving Design : Foldable structure saves over 65percent storage space when unused; unfolded size: 30.25in x 20.47in x 30.7in, folded size: 30.25in x 30.7in x 5.12in, easy to install.4 Silent Brake Wheels for Mobility : Equipped with 2 universal wheels and 2 brake wheels, all silent to avoid noise and friction; easy to move and park (install casters as per video, tighten clockwise).Multipurpose Detachable Design : Hook-and-loop glued fixation for detachable, easy-to-clean components; suitable for hospitals, clinics, hotels, beauty salons, etc., ideal for storing goods.