This set of 3 firm universal boltless storage shelfs is designed for convenient assembly. It is a metal-frame storage rack with a maximum weight capacity of up to 386 lb per shelf. The storage shelves are made from thick MDF for placing items. This black storage shelving can be disassembled to save more space and for convenient transport. The frame can be adjusted to fit various items to be used for storage or display. It can be used in the garage balcony kitchen etc.