100 Pack 11x13.5 White Rigid Stay Flats Self-Seal Cardboard Envelope Mailers 11"x13.5"

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 5000 10x13 Poly Mailers Envelopes Self Seal Shipping Bags 2 Mil 10" x 13".