Walmart offers 3 Tier Mobile Shelving Unit Slim Slide-Out Storage Tower Pull out Pantry Shelves Cart for Kitchen Bathroom Bedroom Laundry Room Narrow Places on Wheels White for $20.89 plus $5.99 shipping or free ship to store.

Product Description:
* Specifications: G.W.: 3.19 Lb Material: PP (High Temperature Resistant & Good Durability) Assembled Dimension: Approx. 21.3 x 5.1 x 28.3" (L x Max. W x H) Inner Size of Each Storage Tier: Approx. 19 x 4.3 x 3.5" (L x W x H) Tier Distances: Approx. 11.8"; 11.8" Color: White * Package included: 1 x Storage Tower

Thanks Maggie