Welded polypropylene and metal-free structure will ensure this unit not corrode. It is equipped with leakage-proof adjustable shelves, which could be detached out to be cleaned. Padlock could be used to provide extra security. This 45-Gallon capacity cabinet is designed to store strong corrosive chemicals, such as sulphuric acid, nitric acid, and acetic acid. It comes with clear labels to indicate corrosive chemicals stored inside.