BOX USA Shipping Boxes Small 12\"L x 12\"W x 4\"H 50-Pack | Corrugated Cardboard Box Mailer for Packing Moving and Storage

12 x 12 x 4\" White Literature Mailers. 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-32-B white corrugated construction. Proudly made in the USA!