100 Pack 9x11.5 White Rigid Stay Flats Self-Seal Cardboard Envelope Mailers 9"x11.5" Anti-Static Bubble Out Pouches and other materials that require

and other materials that require a larger envelope format

Introducing our high-quality 3" x 55 yard packing tape

Non-abrasive to resist scratching soft surfaces

4"x4"x4" boxes

Large 15" x 20" sheets for ample coverage

100 Pack 9x11.5 White Rigid Stay Flats Self-Seal Cardboard Envelope Mailers 9"x11.5" Anti-Static Bubble Out Pouches and other materials that requireFortify 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