This set includes three extra dividers for YouCopia's SpiceStack in the 24 bottle size. Some users prefer additional dividers if they are storing smaller bottles or containers of spices. You can position these adjustable dividers to keep spice bottles separated so it’s easy to find and retrieve one item at a time. Round, square, short or tall? SpiceStack will hold them all with a universal drawer design. When spices are organized just the way you want, you’ll be cooking like a pro.