MMBM Poly Mailers 9x12 Glossy White/Grey Plastic Self Seal Poly Mailer Flat Bags Waterproof Shipping Envelope 3.0 Mil for Apparel, Clothes, Shirts, Books – Permanent Adhesive Seal (2000 Pack)

PUNCTURE RESISTANT - Plastic poly mailer envelopes prevent tampering of the enclosed items. TEAR PROOF - The white poly mailers have incredible durability when shipping postal, USPS, UPS, or FedEx. LIGHTWEIGHT - These mailing bags are very lightweight, which keeps shipping costs at a minimum. SELF ADHESIVE - The mailers feature a self-sealing peel-off strip that allows for super quick closing with no need for tape. WATERPROOF - These poly mailers keep your contents safe from water. Being waterproof, you can have peace of mind that your products will not get wet if left out in the elements by the logistics carrier.