50 Pack 9.75x12.25 White Rigid Stay Flats Self-Seal Cardboard Envelope Mailers 9.75"x12.25" Bubble Rolls 5" -32 ECT -Adds stiffness

5" -32 ECT -Adds stiffness to flimsy packages -Quantity 50 Pieces

Quantity: 50 tubes / 100 end caps

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

Powder Free

50 Pack 9.75x12.25 White Rigid Stay Flats Self-Seal Cardboard Envelope Mailers 9.75"x12.25" Bubble Rolls 5" -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