NAIZEA 70 "five storey heavy duty Wide Size Garage storage is designed to provide professional grade storage. The shelves are made of strong quality steel， the partitions are made of density boards with black edges for greater load bearing， the black spray process is very easy to clean with a wet cloth， and it is even more suitable for humid environments such as kitchens， bathrooms， warehouses and basements. The frame is compact， adjustable in height and number of layers， and can support up to 550 LBS in each of its five layers， making full use of limited space and easy to assemble. At the same time， it can be used as a bookshelf or decorative display rack in the living room， or as a plant display rack on the patio.