Easy Installation: Unfold the portable shelf, snap on the top panel, and you're set! No tools needed for quick setup. For added stability, use the included spanner for initial reinforcement. It's that easy!Easy Mobility: With 5 swivel wheels (2 with brakes), this folding shelf moves effortlessly on tiles, cement, and epoxy floors. The 360° rotation solves the old "stuck shelf" problem, supporting up to 200 lbs.Sturdy and Secure: The Q235A carbon steel frame of the folding shelving unit holds up to 190 lbs per layer. Detachable support feet bring a static load capacity of 570 lbs. Plus, the crossbar keeps everything from slipping. Organize with ease!Space-saving Foldable: When folded, the foldable storage shelf is only 4.3 inches thick, taking up minimal space. Ideal for small homes or tight spots, it also fits in your car trunk for outdoor use as a temporary shelf.