EcoBox 12 1/8 x 9 1/4 x 2 Inches White Corrugated Mailer - 50 Boxes (E-187-50) Easy to assemble; no glue, staples, or tape. Box Strength: 32ECT/200# Box Type: Die Cut Refer to additional image for description of length, width, and height. 50 boxes sold per purchase.