These 5" x 5" x 1" white corrugated mailers are built from ECT-32-B corrugated board and fold into a finished box without tape, glue, or staples. When assembled, the one-piece design creates double-wall reinforcement along the front and sides, delivering crush-resistant protection in a slim, lightweight profile.

The square 5"x5" footprint and 1" depth make these mailers well-suited for photos, prints, greeting cards, patches, small accessories, and other flat or low-profile items. E-commerce sellers, retail distributors, and promotional product fulfillment operations use them where a clean, secure mailer is needed without added pack-line steps.

Each mailer weighs approximately 0.102 lbs, keeping outbound shipment weight minimal — an advantage for postage-sensitive operations. The white exterior presents cleanly for both branded and unbranded outbound shipments. Sold in bundles of 50; volume pricing is available for larger quantity orders.