200 Pack 12.75x15 White Rigid Stay Flats Self-Seal Cardboard Envelope Mailers 12.75"x15" Stretch Wrap -15x15x8 boxes -Shipped flat and

-15x15x8 boxes -Shipped flat and easy-to-assembly in seconds -Simply fold and tape -Kraft corrugated cardboard -100% Recyclable -Quantity is 25

Light weight 26 ECT thickness white boxes

Color is Black

Most of the competition uses a 46 lb paper and stops the bubble an inch or so short of the flap

The bright yellow manila color helps your mailings stand out while maintaining a business-appropriate appearance

200 Pack 12.75x15 White Rigid Stay Flats Self-Seal Cardboard Envelope Mailers 12.75"x15" Stretch Wrap -15x15x8 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