Store documents in ring binders without hole punching with these heavyweight sheet protectors. Extra-durable, heavyweight sheet protectors provide permanent storage for frequently used materials. Archival-quality, acid-free polypropylene means print won't stick to sheet protectors. Strong, reinforced binding edge prevents tears, even with heavy use. Top-loading sheet protectors are 11-hole punched to fit three-ring binders, A4-size or legal-size binders.