2000 Pack 12.5x9.5 White Rigid Stay Flats Self-Seal Cardboard Envelope Mailers 12.5"x9.5" Poly Mailers 4x4x12 boxes

4x4x12 boxes

Rolls are perforated every 12 inches for easy tear off

Multi-Pack: This 20-pack provides ample quantity for your packing needs

Ambidextrous

Eco-lites are made from golden Kraft paper with the cushioning of Durabubble lining

2000 Pack 12.5x9.5 White Rigid Stay Flats Self-Seal Cardboard Envelope Mailers 12.5"x9.5" Poly Mailers 4x4x12 boxesFortify 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