Avery 75539 Top-Load Recycled Polypropylene Sheet Protector, Clear (Box of 100) Lightweight design; great for protection and easy transportation. Ideal for long-term storage, non-stick polypropylene material is acid-free and won't lift print. Top loadingno need to punch inserts. Clear binding edge for a professional look. Protects 8 1/2" x 11" insert sheets.