5000 4x6 Poly Mailers Envelopes Self Seal Shipping Bags 2 Mil 4" x 6"

2 Mil Self-Seal Punture Resistanant Lightweight which saves on postage Approved through all shipping carriersYou may also like 400 Pack 9.75x12.25 White Rigid Stay Flats Self-Seal Cardboard Envelope Mailers 9.75"x12.25".