Sizzix Bigz Big Shot Pro Die, Envelope A6 Horizontal Pocket and Insert Sizzix's largest dies ever cut hundreds of materials including cardstock, chipboard, fabric, foam, magnet, leather, metallic foil, paper and sandpaper (in limited use) Bigz Pro die is designed for use only with the Big Shot Pro Machine and requires the use of a Big Shot Pro Cutting Pad, a Big Shot Pro Crease Pad and 12 by 12in paper (All sold separately.) Design: A6 Envelope with Horizontal Pocket and Insert