Mix, match, and expand— Seville’s modular cabinets and products grow with your needs, delivering lasting value for every project. 200 lb. maximum weight capacity per shelf when weight is evenly distributed "Fixed spaced between shelves is 14.625 inches tall" Leveling feet for stability are included Tool-free easy assembly Assembled dimensions: 48" W x 20" D x 72" H Made in the USA with heavy duty polypropylene/plastic. The Member's Mark 5-Tier Heavy-Duty Interlocking Plastic Shelf offers additional storage space for your utility room, pantry, garage, closet and more. Featuring 5 ventilated, extra sturdy non-adjustable shelves to keep your items neat, organized, and easily accessible. Each shelf holds up to 200 lbs. to support storing a variety of items such as canned food, cleaning supplies, tools, hardware, storage totes and more—making it perfect for optimizing space. For maximum shelf strength, distribute the weight on your shelves evenly with the heaviest items placed on the lower shelves. Fixed spacing between shelves is 14.625 inches tall. The lightweight shelving unit weighs 36.8 lbs. for easy movement from room to room. This heavy-duty unit is made from easy-to-clean recycled black resin material designed to resist rust, dents, stains, and peeling.Assembly is quick and can be done by one person while requiring minimal tools. For instructions on how to assemble, refer to the back of the product label and product images above. Interconnectable to create modular storage Create the organized space of your dreams with the Member’s Mark interconnecting shelf. The shelving unit provides you with 5 shelves and 12 poles so you can customize the height and width of your shelving unit. The innovative design lets you interlock shelves together either side by side for wider spaces OR front to back for deep shelving. Save money and get two shelves out of one unit by stacking a 3-Tier shelf and a 2-Tier shelf. The options are endless—add multiple units and customize your storage where you need it. Uneven surface? No need to worry about a slightly uneven floor or ground—use the 4 provided adjustable leveling feet to keep the shelving unit stable and secure. Optimize your storage space The Member's Mark 5-Tier Heavy-Duty 20x48 Shelf is designed to pair in both color and size with the Member's Mark 27 Gallon Heavy-Duty Storage Tote. The combination of these heavy-duty black and yellow shelving units will help streamline both the organization and look of your home or workspace storage! Important notes for best performance It may be necessary to use a mallet or small hammer to gently tap each post into place. Store heavy items on the lowest shelves. For every 5 degrees above 95°F, decrease the weight on shelves by 10%. Wall mounting is required for maximum weight capacity and stability (four ""U"" shaped wall brackets are included with every shelf—see product instructions for directions on how to secure). Optimize your Storage Space The Member's Mark 5-Tier Heavy-Duty Shelf is designed to pair with the Member's Mark 27 Gallon Heavy-Duty Storage Tote. The combination of these heavy duty shelving units will help streamline the organization and look of your home or workspace storage! Important Notes It may be necessary to use a mallet or small hammer to gently tap each post into place. Store heavy items on the lowest shelves. For every 5 degrees above 95 degrees, decrease the weight on shelves by 10%. Wall mounting is required for maximum weight capacity and stability (four "U" shaped wall brackets are included with every shelf, see product instructions for direction on how to secure). Specifications 1 shelving unit ( Includes 5 shelves, 16 poles, 8 threaded feet, 8 feet collars, 8 "T" connectors, 8 caps, 4 wall mounting brackets) Assembled dimensions: 48"W x 20"D x 72"H "Fixed spaced between shelves is 14.625 inches tall" "Heavy Duty Polypropylene/Plastic" Interconnectable modular system allows multiple shelves to be linked together For max capacity, secure to wall using column brackets included. (hardware not included, (4) 0.185 in. diameter screws long enough to secure into the wall stud. Use anchors when a wall stud is not present. Assembly instructions are on the back of label and in the product images above Customer Service: call 866-624-9300 for replacement parts, questions or concerns 5 Ventilated Shelves with 200 lbs. capacity per shelf when spread evenly, 1,000 lbs. total Weight: 36.8 lbs. per unit