20-5/8 x 6-5/8 x 4-1/8 RETT White Mailer with Dust Flaps

Self-locking mailer boxes provide a professional appearance and a sturdy package for your small items. Durable 32 ECT singlewall corrugated with #3 white outside/kraft inner. Inside dimensions listed, with first two dimensions (length x width) representing the opening of the box.