About this item Magnetic weatherproof case - covertly stash valuables, GPS tracking device, fobs, cash, jewelry, safe from the environment. Can be used as a magnetic key box. Magnetic holder for under car with twin neodymium magnets: strong magnet lock box can be used to attach underneath a vehicle or any other magnetic surface. Discrete case can hide all items to protect and keep valuables safe: weatherproof case can withstand precipitation such as rain and snow. Protect your valuables from any unexpected weather damage. No installation: simply place key or GPS tracker (NOT INCLUDED) in case and attach to a clean metal surface in any environment. Dimensions: 3.3 x 2.7 x 1.8 inches.