50 Pack Sheet Protectors, 11 Hole Sheet Protectors For 2, 3, 4 Ring Binder, Clear Page Protectors, Plastic Sleeves Heavy Duty, Photo Sleeves Letter SiSize: Very suitable for standard envelope paper size, our top-loading paper protector has 11 holes, suitable for A4 letter size, providing better protection.^High-quality materials: The protective plate is made of transparent PVC-free polypropylene with an anti-glare finish. It is an excellent adhesive plastic paper cover.^Transparent design: These transparent page protection films are made of transparent plastic, allowing you to easily browse, scan or read while reading.^Wide range of applications: Paper protective film is ideal for keeping recipes, photos, important documents and certificates clean. The page protection film can prevent them from abrasion and is used every day at home, school or office.^Convenient and quick: The top loading function of the transparent page protector provides a wider top opening, making it easy for paper to slide in and take out. Meet loading requirements and save time.