Heavy duty 5 tier shelves is a good choice for storage and organization stock in garage, home, office, shed, utility room, warehouse, supermarket, workshops and kitchens. This racking unit is made from metal steel, sturdy, durable and strong load-bearing. Each bay is made with moisture-resistant MDF to eliminate board sag and has a rust-resistant coating to keep your shelves in tip-top condition for years to come. 17 Stories