100 Pack 9.75x12.25 White Rigid Stay Flats Self-Seal Cardboard Envelope Mailers 9.75"x12.25"$$Office

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 50 Pack 12.5 x 9.5 Inch Self Seal Cardboard Mailing Envelopes, 450 GSM Stay Flat Mailers for CD, Photos, Document, Pictures, Papers, Files, Brown.