500 Pack 12.5x9.5 White Rigid Stay Flats Self-Seal Cardboard Envelope Mailers 12.5"x9.5"

Crafted from premium 250 GSM material for enhanced durability Self-sealing closure for seamless packing Top-tier cardboard mailers offer unparalleled protection Ensure packages arrive in pristine condition Reliable alternative to flimsy packagingYou may also like 250 Pack 12.75x15 White Rigid Stay Flats Self-Seal Cardboard Envelope Mailers 12.75"x15".