The Heart Layers Bigz Die from Sizzix is from the Valentine Collection. It cleanly cuts many thick materials, such as cardstock, chipboard, fabric, foam, magnet, sandpaper (limited use), leather, and metallic foil. The die measures 5 1/2" x 6" and is for use only with the BIGkick, Big Shot and Vagabond machines. It requires a pair of Cutting Pads. All items are sold separately.