12.75x15 White Rigid Stay Flats Self-Seal Cardboard Envelope Mailers 12.75"x15" 3" stretch wrap Keep your important documents organized

Keep your important documents organized and protected with this convenient 20-pack of file storage boxes

12"x12"x12" boxes

Reduce material waste and increase packing speed

The compact size of each roll makes it easy to store and transport

12.75x15 White Rigid Stay Flats Self-Seal Cardboard Envelope Mailers 12.75"x15" 3" stretch wrap Keep your important documents organizedFortify 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