Manila Brown 300gsm Peel & Seal Rigid Board Mailers Envelope (150 x 150mm)

Protect your shipments with our 150x150 mm manila rigid board mailers, crafted from 300gsm card 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. Available in 280gsm and 400gsm options. Contact our team for Custom Printing options for these rigid board mailers.