Plastic Made in the USA PLANO PLASTIC STORAGE SHELVES: Organize your home, closet, garage, laundry room or office with Plano heavy-duty Shelving Units. 750LB STORAGE CAPACITY: Each of the 5 plastic shelves has a maximum weight capacity of 150lbs. The full shelving unit can easily accommodate up to 750lbs of total weight. DURABLE CONSTRUCTION: Made from heavy-duty, impact resistant plastic, this storage shelf is extremely durable and built to last. INTERLOCKING DESIGN: For larger spaces or when you need additional storage, an interlocking feature allows multiple shelving units to be placed securely next to each other. PRODUCT SPECIFICATIONS: Total Unit Dimensions: 72.5 inches tall x 36 inches long x 18 inches wide. Each shelf can hold items up to 15.5 inches tall. The unit is easy to assemble with no tools required.