OEM C-line Polypropylene Top Loading Sheet Protectors, sold in a box of 100. These heavyweight sheet protectors feature built-in antimicrobial protection that prevents the growth of bacteria, yeasts, molds, and fungi for the life of the product. The antimicrobial technology is safe for humans and is EPA-registered and FDA-listed for water and food contact. Designed with three-hole punching for easy filing in three-ring binders, these archival-quality polypropylene protectors will not lift print from inserts.