Plano 4-Shelf 4-Ft Tall Storage Unit (Light Taupe) for $19.97. Select free site-to-store for in-store pickup at Walmart to save on shipping. Otherwise, shipping is $4.97 for a total of $24.94 shipped. Here is a screenshot for your reference. The set includes 4 freestanding shelves with snap lock assembly so that no tools are required. They are made of impact and rust-resistant plastic with interlocking shelves that connect multiple units for added storage.