100 Pack 12.75x15 White Rigid Stay Flats Self-Seal Cardboard Envelope Mailers 12.75"x15" Moving Boxes providing quick and secure sealingPROFESSIONAL

providing quick and secure sealingPROFESSIONAL DESIGN: Crisp white business envelopes with clean lines and premium paper quality for a professional presentationVERSATILE USE: Ideal for business correspondence

or a machine

These versatile envelopes are ideal for office use

perfect for business letters and standard documentsSELF-SEALING: Convenient self-adhesive closure eliminates the need for moistening

With its substantial 25 lb + 50 lb weight options and generous 18" x 24" size

100 Pack 12.75x15 White Rigid Stay Flats Self-Seal Cardboard Envelope Mailers 12.75"x15" Moving Boxes providing quick and secure sealingPROFESSIONALFortify 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