Heavy-duty: TryLzy storage shelves feature rolled edge thickened columns and 5 reinforcing ribs per shelf. Made of high-quality metal and 5mm thicker MDF boards, each shelf holds up to 400 lbs, totaling 2000 lbs for the 5-tier unit, ensuring stability and ample storage. Multipurpose: Available in four sizes:72"H x 35.5"W x 16"D, 72"H x 40"W x 20"D, 72"H x 42"W x 18"D, and 72"H x 42"W x 24"D. Ideal for garages, pantries, closets, kitchens, warehouses, basements, living rooms, offices, supermarkets, schools, and libraries. Expands storage space and keeps your home organized. Rolled Edge Design - Safer & Sturdier: The rolled edge design and thicker columns prevent scratches and enhance durability. This thoughtful design makes the garage utility shelf a great choice for personal use or as a gift. DIY Free Combination & Adjustable Shelving Unit: Customize your space with the adjustable 5-tier shelving unit. Adjust the height of each layer by moving the crossbar up or down. The unit can also be divided into two individual shelves for added stability. Best Gift & Professional Support: If any parts are missing or assembly issues arise, contact us immediately. The metal garage shelving is perfect for gift-giving or housewarming. For any questions, our customer service is here to help.