These Magnetic Stash Boxes are constructed from high-grade plastics and heavy duty magnets, which allow you to safely conceal personal items and valuables on any clean flat metal surface. The catch also comes off for cleaning purposes and can be easily put back on. Each box is water resistant. The Magnetic Stash Box can hold many small items such as spare keys, cash, jewelry, MP3 players, GPS tracking devices or anything else you wish to keep protected. Whatever is important to you, keep it secure and safe with a Magnetic Stash Box