400 Pack 9.75x12.25 White Rigid Stay Flats Self-Seal Cardboard Envelope Mailers 9.75"x12.25" 3" stretch wrap -4x3x3 boxes -Shipped flat and

-4x3x3 boxes -Shipped flat and easy-to-assembly in seconds -Simply fold and tape -Kraft corrugated cardboard -100% Recyclable -Color is White -Quantity is 200

48" wide x 900' long

Strong Adhesive Backing

24" in width

Self-seal bubble pouches provide ½” peel-and-seal tape for hassle-free closing

400 Pack 9.75x12.25 White Rigid Stay Flats Self-Seal Cardboard Envelope Mailers 9.75"x12.25" 3" stretch wrap -4x3x3 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