Amazon.com : 30Pcs Green Poly Bubble Mailers, 10 x 13Inch Padded Envelopes Bulk, Self Sealing Bubble Mailing Envelope Bags for Shipping

【10x13inch Padded Envelopes】Poly bubble cushioned lined envelopes, usable size: 10 x 13 inch
【Durable Padded Envelopes】The 10 x13 bubble mailers are made with multilayered polyethylene sheets, much stronger than paper envelope, providing the best protection for irregular and sharp shaped items during transportation
【Self-Adhering Envelopes】The Green padded mailing envelopes come with a self-adhesive tamperproof seal; there's no need reinforcement tape and it doesn't come apart unless you tear it up; the smooth surface of the mailers makes it easy to stick stamps and address labels
【Waterproof & Tear-proof】Padded Bubble Envelopes are laminated to make them completely waterproof and resistant to puncture or tears. The bubble layer provides added cushioning to protect the shipment
【Customer warranty】We are responsible for every bubble mailers sold; If you have any question about our product, please feel free contact us for solution