I came home from a girl's weekend a while back and my wonderful husband surprised me with this addition to my kitchen. These super simple little racks attach to the inside of your cabinet door and hold all of your spice bottles. They are fantastic for helping to maximize your cabinet space. Without them, that space on the inside of the doors is completely unused space. I love these. As I've mentioned before, I have a tiny kitchen with only a few cabinets, these help the storage situation. The best thing about them is that they are very cheap and totally adjustable to fit the spices that you have and the setup of your cabinet.
