OEM C-line polypropylene top loading sheet protectors, sold in a box of 100. These sheet protectors feature a top-loading design and are sealed on three sides, eliminating the need for punching sheets. They are compatible with standard three-ring binders and made from polypropylene material, ensuring safe, archival quality with no photocopy-transfer protection. The strong, reinforced binding edge prevents tears, making them suitable for heavy use.