Foldable Storage Shelves: The 4-tier shelves can be folded and stored in narrow spaces such as a kitchen gap, or back pantry door, or take it outside on the truck or car when going camping.Rolling on Wheels or Stay Statics Standing Shelf: The foldable storage shelves are equipped with swivel wheels which you can roll across the kitchen, pantry, front door, and balcony. Or you don't need to install wheels and keep it stay static as a standing shelf.Sturdy Storage Shelves: This 4-tier shelf organizer unit has a total of 250 lbs bearing capacity. Sturdy and durable metal construction makes it an industrial grade. Great for storing garage tools and large appliances.Durable Panel: Compared to an old wire rack, the 4-tier storage shelves have a durable large area of pegboard panel. The pegboard panel is friendly to bottom heat-dissipation of kitchen appliances such as the microwave, baker, and coffee station. No need to spend on shelf liners. The bottom of the top panel adds more support tubes for heavy items.Dimensions: The storage shelves measures 27.4" Length x 13.1" Width x 47" Height.