Amazon.com : The Packaging Wholesalers 15-1/8 x 11-1/8 x 2-Inch Front Lock Deluxe Literature Mailer, 50-Count (BSMFL15112) : Box Mailers : Office Products
Lock Box – Over the Door Key Style Lock Box (Smaller Key Size) – Choice of Lock Mechanism – – Roper Lock
12 x 10 x 6" White Tab Locking Literature Mailers S-13278 - Uline
Amazon.com: Aviditi White Corrugated Outside Tuck Mailing Boxes, 9 1/2" x 8" x 8", Pack of 25, Crush-Proof, For Shipping, Mailing and Storing : Office Products