Small Non-stick Bone Folder by Bonefolder.com You are buying an authentic Non-stick folder (Caddilac quality in bookbinding industry) when you buy from Bonefolder.com on Amazon link below. 5 inch non-stick Bone Folder - great for scrapbooking, paper crafts, origami, and book binding Used by book binders, graphic artists and crafts people for creasing, burnishing and gluing materials together. Size: 5 3/4" x 5/8" x 1/4"; Non-stick due to PTFE composition; Heat Resistant up to 600  F; Strong, Reusable, Chemically Inert, Non-corrosive, and Non-contaminating. Look for our maker's mark on each Bone Folder; there are lot of unscrupulous merchants out there selling immitation knockoffs!