Size: Each binder cover paper is 8-1/2 x 11 Inches, pack of 100 Thickness: 12 Mil. Each binder cover paper is made from enduring 250gsm paper that is both elegant and sturdy. Black Leather Texture for a special look and feel. These binder covers are compatible with most binding systems, do not use with thermal machines. These binding presentation covers are a great choice for school projects, business proposals, reports, menus and any other occasions. Gives a professional look and feel to any document. Made with premium, heavy gauge cover with a Leather-textured finish. Each sheet is made of 250g/㎡of paper.Un-punched covers adapt to any binding system. Not for use with thermal-binding systems. Comes in 100 per pack.