Transform your storage instantly with this foldable metal shelving unit, available in both 4-tier and 5-tier designs. Built from rust-resistant heavy-duty steel, each adjustable shelf supports impressive weight capacity while maintaining easy portability. The unit sets up in just 5 seconds — no tools or assembly required — and folds flat to only 3.5 inches wide for compact storage in closets, corners, or under beds. Smooth-rolling 360° wheels with dual locking brakes make repositioning effortless across garages, kitchens, basements, and offices, while bonus side hooks maximize vertical hanging space for tools, utensils, or bags. Features: • Rust-resistant, powder-coated steel construction for long-lasting durability indoors or in the garage • 4-tier or 5-tier shelving unit options to suit your storage needs and ceiling height • Raised side rails help keep items from falling off during movement • Smooth 360° swivel casters with locking brakes provide stable, scratch-free rolling on tile, wood, and concrete floors • Heavy-duty wire shelving design handles up to 750 lbs stationary / 300 lbs on wheels — perfect for pantry shelves, garage storage rack, or office organization • Truly no-assembly design saves 30+ minutes vs traditional shelving units — ideal for renters, dorms, and craft show vendors