Fiskars 100870-1001 Square Design Plate Expansion Pack, Medium, 4-Pack Expansion pack letterpress plates fit the die in the coordinating medium design set 0079 to expand your creative possibilities Letterpress plates accept ink from a variety of fabric-topped ink pads or markers and wash clean with soap and water or a stamp cleaner Requires the fuse creativity machine, sold separately in the fuse creativity system starter set Requires the die from the coordinating medium design set Lifetime warranty