Smead Poly Three-Ring Envelope, 1-1/4" Expansion, Flap with hook-and-loop closure, Letter, Clear, 3 per Pack (89500) An easy way to contain and protect a variety of items in a 3-ring binder without hole punching Clear poly material for easy viewing Fits in standard 3-ring binder Flap with hook-and-loop closure for extra security Expands to 1-1/4" to hold up to 150 letter-size sheets Durable poly material is tear proof and water resistant. Acid free, PVC free and archival quality