Bankers Box LIBERTY Binder-Pak, Standard Set-Up, Attached Flip-Top Lid, Letter, 4 3/8 x 9 1/8 x 11 3/8 Inches, Case of 12 (48110) This "Binder in a Box" keeps records neat and dust-free Rugged plastic posts and compressor rings lock closed for the ultimate document security Posts adjust to 2-3/4" or 4-1/4" spacing to suit a variety of materials Unique closure ensures binder opens easily yet locks securely