150 Pack 11x13.5 White Rigid Stay Flats Self-Seal Cardboard Envelope Mailers 11"x13.5" 1.5" Tubes Easy-to-assemble in seconds

Easy-to-assemble in seconds

25x12 Self-seal White Kraft Bubble Envelopes- guarantees a secure seal every time -Pressure sensitive self seal - Secure closure

6" outer diameter (OD)

it offers a reliable and long-lasting hold

18" wide x 900' long

150 Pack 11x13.5 White Rigid Stay Flats Self-Seal Cardboard Envelope Mailers 11"x13.5" 1.5" Tubes Easy-to-assemble in secondsFortify 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