400 Pack 9x11.5 White Rigid Stay Flats Self-Seal Cardboard Envelope Mailers 9"x11.5" 3/16" Bubble Roll Perforations between each label

Perforations between each label

Versatile for packing

ensuring convenience and efficiency

minimalist white design maintains a professional look while keeping your records safely stored

400 Pack 9x11.5 White Rigid Stay Flats Self-Seal Cardboard Envelope Mailers 9"x11.5" 3/16" Bubble Roll Perforations between each labelFortify your packages with the most robust cardboard mailers on the market. Crafted from premium 250 GSM material, these white mailers are built to shield your shipments from the elements. Ultra durable 250 GSM cardboard construction Self sealing closure for seamless packing Heavy duty adhesive to prevent leaks and spills Don't entrust your valuable items to flimsy packaging. Our top tier cardboard mailers provide unparalleled protection to ensure