The Number Reinforcers Dies from Elizabeth Craft Designs are part of the Craft Studio Collection. With these dies, you can easily create customized tabs featuring numbers on top. Additionally, the set comes with two reinforcer dies that you can use to create holes for your planner. The tab dies are approximately 1 x 3.2 inches each and the set includes a total of 15 wafer-thin dies. These dies are compatible with most die-cutting machines, making them a versatile addition to your crafting tools.