Elevate your storage game with the RW Base 4-Tier NSF Green Epoxy Shelving Unit. Each sturdy steel shelf unit can hold up to 450 pounds, offering ample space for your supplies. The green epoxy coating ensures the shelves are corrosion-resistant, ideal for humid environments such as walk-in coolers or freezers. Designed with vertical ribs, these shelves provide added stability to these wire shelves to prevent tipping. The vented design of these NSF-certified storage shelves enhances air circulation and minimizes dust buildup, keeping stored items fresh. Great for adjusting the height of the shelves, the included posts come with 32 split sleeves. As a bonus, the kit has added casters to enable you to move the shelves with ease. The shelves measure 18 inches wide by 24 inches long by 1.5 inches high, while the posts are 74 inches tall. The casters are 5 inches in diameter. Each order includes 4 shelves, 4 posts, and 4 casters.