Sprinkler Head Key Hider Diversion Safe The Sprinkler Head Key Holder is made to look like a real sprinkler system head so it looks real and no one will ever suspect your hiding place. Whether you are keeping an extra key handy for yourself or leaving money or small documents for someone else, this is the ideal outdoor safe spot. The Sprinkler Key Hider is waterproof and virtually indestructible! Realistic look - made to match a real sprinkler head Waterproof and virtually indestructible Enough room for keys, spare money or a small document Only you will know where it is! Attach your keys to the included key chain and screw into the sprinkler head so you don't have to reach around in the dark Internal Measurement 2.5" x 1.5" inches