100 Pack 7x9 White Rigid Stay Flats Self-Seal Cardboard Envelope Mailers 7"x9" Foam Rolls 5"x11" -32 ECT -Adds stiffness

5"x11" -32 ECT -Adds stiffness to flimsy packages -Quantity 25 Pieces

The 100-pack of 23x23x16 inch boxes with handles provides ample space for storing and transporting smaller items during a move or for general storage purposes

Color is Black

Each roll is 18" x 1500' and is 80 Gauge

100 Pack 7x9 White Rigid Stay Flats Self-Seal Cardboard Envelope Mailers 7"x9" Foam Rolls 5"x11" -32 ECT -Adds stiffnessFortify 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