Sizzix Movers & Shapers are creativity in motion! With these movable magnetic dies, now you can create a card or envelope with a window anywhere you want for a truly customized shape-cutting experience.This Movers & Shapers window die set showcases the bold and edgy style of Tim Holtz. These window dies must be used in any one of the Movers & Shapers base dies or base trays. Compatible with most cutting machines. Dies are approx. 1.375 x 1.25 inches.