Avery Products - Avery - Quick Top & Side Loading Sheet Protectors, Letter, Diamond Clear, 50/Box - Sold As 1 Box - Open on two sides. - Acid-free, archival-safe, nonstick material. - Diamond clear cover. - Excellent for large projects and frequently updated documents. - Ideal for presentation use. Diamond clear heavy polypropylene top loading ring binder sheet protector fits 11'' x 8 1/2'' inserts. Open on two sides. Acid-free, archival-safe, nonstick material. Diamond clear cover. Excellent for large projects and frequently updated documents.