Introducing our durable and versatile #3 White 9 x 12 Poly Mailers Shipping Bags Envelopes made of high quality poly material ideal for all your mailing and shipping needs. With a thickness of 2.35mil these mailers ensure superior tear and puncture resistance for an extra layer of protection for your valuable items during transit. Our glossy white mailers perfectly complement your branding while keeping your shipment lightweight for significant postage savings. Their spacious 9 x 12 inches size accommodates various items from clothing to documents magazines and other lightweight objects. These mailers are ideal for eCommerce businesses online sellers and individuals who wish to send items securely and cost effectively. Additionally their impressive strength eliminates the need for packaging fillers or additional cushioning streamlining your shipping process. Manufacturer: Mediaxpo Specification: ** Category: Poly Mailers ** Color: White ** Size: 9 x 12 ** Type: #3 ** Material: Poly Features: ** Durable and tear resistant bags with a thickness of 235mil ** Self sealing feature for ease and efficiency in transit ** Lightweight design saves cost on transportation ** Tamper evident feature for added security ** Water resistant properties protect contents from moisture damage