The Threaders Nesting Triangle die pack comes with 7 Metal dies in a range of sizes from 5.2" x 5.2" to 1" x 1". These dies are ideal for adding to applique details to your projects or even quilting block. These dies have been designed to cut through multiple layers of fabric & different mediums such as: Oilcloth Laminated fabric Fleece Organza Taffeta Thick Denim Jersey Knit Felt Cotton Faux Leather Linen 160gsm cardstock Glitter card Mirror board