Garbage Disposal Stopper Holder

This is a holder I designed to store the black plastic stopper that came with our InSinkErator brand garbage disposal in our kitchen sink. The stopper looks like this: http://a.co/ccNfKJo.

Ours is mounted inside one of the cabinet doors just below the sink. It's within easy reach, but out of the way. We rarely use it, so reason to have it out all the time.

Mounts with two screws, flat head, #6 x 1/2".