An over-the-door spice rack is a space-saving solution for small kitchens. This type of rack is designed to be hung over the back of a cabinet or pantry door, utilizing the unused space. It usually features multiple shelves or tiers to hold your spice jars. Installing an over-the-door spice rack is easy and doesn't require any drilling or permanent modifications to your kitchen. It's a convenient way to keep your spices organized and easily accessible.