The Corrugator Paper Crimper adds fun patterns to paper. It's perfect for greeting cards, scrapbooking, crafting, and other projects. This paper crimping tool works on gift bags, bond paper, post cards, construction paper, foil, and more. The Corrugator Paper Crimper works best on light paper and crimps up to widths 8.5''. Specifications Plastic rollers with a plastic body. Accepts paper up to 8 1/2" wide. Works best on lightweight paper. Creates a soft embossed effect on post cards or paper similar in weight. Good for arts and crafts, school projects, scrapbooking. An excellent tool for making children's crafts and rubber stamping projects. Try it on colored gift bags for parties.