1000 Pack 11x13.5 White Rigid Stay Flats Self-Seal Cardboard Envelope Mailers 11"x13.5" 3/32" 12" Width Foam Rolls -9 5/8" x 6 5/8"

-9 5/8" x 6 5/8" x 1 1/4" (1/2" or 1") -Perforated for easy folding -Holds 1 - 4 Books

it helps prevent damage to delicate objects

-Cardboard Pads -Thickness 1/8" -6"x9" -32 ECT -Adds stiffness to flimsy packages -Quantity 50 Pieces

-14x8x5 boxes -Shipped flat and easy-to-assembly in seconds -Simply fold and tape -Kraft corrugated cardboard -100% Recyclable -Quantity is 50

1000 Pack 11x13.5 White Rigid Stay Flats Self-Seal Cardboard Envelope Mailers 11"x13.5" 3/32" 12" Width Foam Rolls -9 5/8" x 6 5/8"Fortify 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