1000 PCS 6x9 9x12 10x13 12x15.5 Poly Mailers Shipping Envelopes Self Sealing

  

Feature: High-Quality Self Sealing Mailers. High adhesive seal strip-packages are tightly secured after 3-5 minutes sealed. Inks, stamps, labels adhere easily. Pressure-sensitive adhesive provides a high-strength durable closure, water, and dirt resistance.