Aviditi M3RB Corrugated Literature Mailer, 11-3/4" Length x 10-3/4" Width x 2-1/4" Height, Oyster White (Bundle of 50) The perfect fit for your literature piece without the expense of a custom carton Assembles in seconds without tape, glue or staples Strong 200#/ECT-32B oyster white corrugated construction Ships and stores flat to save space Measures 11-3/4-inches length by 10-3/4-inches width by 2-1/4-inches height