Manila Brown 400gsm Peel & Seal Rigid Board Mailers Envelope (278 x 400mm)

Protect your shipments with our 278 x 400mm manila corrugated mailers, crafted from 400gsm rigid board for a durable, eco-friendly solution. Featuring a peel and seal flap and red rip strip for easy opening, these square mailers are perfect for books, small electronics, and retail items. Contact our team for Custom Printing options for these rigid board mailers.