The #000 4x7 500 Poly Bubble Mailers by Mail Budz are white padded envelopes made of 4-layer composite polyethylene bubble film. These self-seal mailers are water-proof, moisture-resistant, and tear-resistant, making them ideal for shipping via USPS, UPS, DHL, and FedEx. With a unit quantity of 500, these mailers are perfect for securely and safely mailing documents and small items. Made in the United States, these poly bubble mailers provide reliable and efficient shipping solution for businesses and individuals alike.
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