1500 9x12 Poly Mailers Envelopes Self Seal Shipping Bags 2 Mil 9"x12"

2.0 Mil Self-Seal Punture Resistanant Lightweight which saves on postage Approved through all shipping carriersYou may also like 400 Pack 12.5x9.5 White Rigid Stay Flats Self-Seal Cardboard Envelope Mailers 12.5"x9.5".