Convenient heavyweight sheet protector sets keep your material together and in order. No need to punch inserts; each set may be used as a handy, bound report cover. Made of nonstick, acid-free, archival-safe material that won't lift print off inserted pages. For 11" x 8 1/2" inserts. Load Orientation: Top; Sheet Protector Type: Ring Binder; Insert Size: 8 1/2 x 11; Material(s): Polypropylene.