Standard Size Page Protector (100% clear polypropylene) - Holds 8.50 x 11.00 Sheets - 5 Hole Punched - box of 250 Great for collectors, presenters and hobbyists, poly page protectors offer crystal clear protection for individual letter sheets. Clear page protector. Made from 100% recyclable polypropylene. Fits standard three ring or five ring binders. We use 3.5 mil polypropylene to make these - this is considered heavyweight grade of sheet protector. Holds 8.5 x 11 Inch Sheets. Perfect for a premium look at an economical price. Made in the USA - manufactured in Marysville, OH