It is fully made up of Teflon. Will not discolor over time as adhesives, inks, paints do not stick to it. Crafters Essentials You will be amazed to see this Teflon Bone Folder becoming an indispensable tool among your Bookbinding supplies. This craft tool will also help you separate the wrongly glued layers. Scores without any glaze or marks ERGONOMIC: Perfect size and Weight to fit in the palm of your hands., Very Smooth. GREAT FOR: Creasing, Folding, Burnishing - paper, book cloth, fabric, plastic films and more. This craft tool also gives perfect scores without tearing the paper. Non Stick Tefon Bone Folder No glue from your previous projects will stick to your scoring stylus and contaminate your current project. Bone Folder Non Adhésif CrafTreat Teflon Bone Folders For Card Making - Burnisher Outil Rainurage Pliage Papier No glue from your previous projects will stick to your scoring stylus and contaminate your current project. Will not discolor over time as adhesives, inks, paints do not stick to it CRAFTERS ESSENTIAL: The Best Craft Tool for Card Makers, Scrapbookers, Book Binders ,Graphic Artist, Ribbon Curling and more. Perfect size and weight The size and shape of the Teflon Bone are handmade for all crafting needs. No glue from your previous projects will stick to your scoring stylus and contaminate your current project Will not leave burnishing mark. DURABLE: Made of 100% PTFE, which is very strong and will not chip out, when bone folder falls down accidentally It will become an indispensable tool among your Bookbinding supplies. Make spirals and rolls It is used to make curls, spirals. This tool is used for Creasing, Folding, Burnishing - paper, book .