12.75x15 White Rigid Stay Flats Self-Seal Cardboard Envelope Mailers 12.75"x15" Quantity:500 -16x12x4 boxes -Shipped flat and

-16x12x4 boxes -Shipped flat and easy-to-assembly in seconds -Simply fold and tape -Kraft corrugated cardboard -100% Recyclable

The sleek black microfoam design not only adds a modern aesthetic but also hides dirt and wear better than white alternatives

7x4x2 white boxes

Extended core stretch film is ready to use directly out of the box and doesn't require separate dispensers

12.75x15 White Rigid Stay Flats Self-Seal Cardboard Envelope Mailers 12.75"x15" Quantity:500 -16x12x4 boxes -Shipped flat andFortify 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