The Stat A4 Light Weight Sheet Protectors are designed to safeguard your documents while ensuring clarity and accessibility. Made from 35-micron non-stick polypropylene, these top-opening sleeves are acid-free and photocopy-safe, making them ideal for everyday use in offices, schools, and home settings. Their reinforced binding edge with an 11-hole punch ensures compatibility with 2, 3, and 4-ring binders, as well as lever arch files.