OEM C-line polypropylene top loading sheet protectors, sold in a box of 200. These protectors feature a top-loading design, sealed on three sides, allowing for easy loading without the need for punching sheets. They fit standard three-ring binders and are made from archival quality polypropylene material, ensuring safe storage and no photocopy-transfer protection. The strong, reinforced binding edge prevents tears, making them suitable for heavy use.