The Clear on Clear System makes stamping easy! Stamps and blocks are crystal clear so you can see where you are stamping. Stamps cling like magic, easy on, easy off, with no adhesive needed. The blocks have wavy edges for a no-slip grip. Create unique cards, gift wrap, tags, fun accents for scrapbooking, and more!Details:ClearIncludes 2 blocksWavy edgesAcrylicContents:Large block (3.5" x 2.5")Small block (2.25" x 1.75")