Brand: Sizzix Tim Holtz Sizzix Thinlits Die Set 13PK - Otis, Colorize by Tim Holtz Sizzix Die Cut Thin Cut Moon, Halloween *A dedicated die-cutting machine (sold separately) is required to use the dies. Can also be used with die-cutting machines such as the Big Shot. Dies can be used repeatedly. <Size: 2 1/2" x 3 1/4" - 1/4" x 1/4">