Hyper Tough Chrome Wire 3 Tier Multi-Purpose Wire Shelf Unit is perfect for kitchen, bath, dorm and office use. Wherever you need additional space, these inexpensive easy to assemble and durable wire shelving units are there for you. It has strong and durable welded wire construction in chrome color. Open wire design allows air circulation and reduces dust build-up. Shelves adjust in 1 inch increments. Adjustable foot levelers for uneven floors. NSF certified for dry storage applications. Weight capacity per shelf 250 lbs evenly distributed. It is designed for adult. You can purchase 4pcs 3/4" pole connectors (#4PC34P-10) to assemble 2 units as a 6 tier wire shelving unit.