Pre-punched covers are available as a stocked-item for both Flexi-Grain (Vinyl) and Clear covers. Covers are available pre-punched in the 19-Ring (GBC) Comb Binding pattern only. Additional punching patterns (Coil, Velo, Wire, 3-hole) and cover styles available upon request. Pre-punched paper is available in 20 lb.white bond only with 19-Ring (comb), 3-hole or Velo (11-hole) punched patterns.