Don't be fooled by the size of C-Line's mini sheet protectors! These compact holders are ideal for creating an on-the-go storage system that keeps documents secure and protected. Smaller size with large organizational benefits. Stylish organization for items or documents up to 5 1/2 x 8 1/2 in size. Made from durable, heavyweight polypropylene. Acid-free eliminates photocopy transfer. Universally punched to fit in standard 3-ring 5 1/2 x 8 1/2, 6 x 9 and 8 1/2 x 11 binders. Clear finish. Note: If using a day planner, please check the actual product dimensions and hole punch configuration; does not work with all day planner systems. Each pack includes 20 sheet protectors.