Reliable Mailer 14x17 Inch 500-Pack – Waterproof & Tear-Resistant Self-Seal Poly Shipping Envelopes, Durable Polyethylene Mailing Bags for Business, E-Commerce, and Postal Use

Reliable Mailer 14x17 Inch 500-Pack offers commercial-grade polyethylene shipping envelopes designed for medium-to-high volume business needs. These durable mailers feature waterproof and tear-resistant 2.5-mil construction with reinforced puncture protection, along with a reliable self-seal adhesive system for secure closures. The white matte surface accommodates barcode scanning and labeling, while the 14x17 inch expandable design handles bulkier items up to 1.5" thick. Packaged in convenient 500-count bulk quantities for cost-effective shipping solutions, these professional envelopes meet all major carrier requirements. Ideal for e-commerce retailers, corporate mailrooms, and small businesses needing reliable packaging for documents, clothing, books and flat parcels, this mid-volume option balances quality and value for operations with regular shipping demands. The standardized size ensures compatibility with automated processing systems while maintaining a clean, professional appearance for customer shipments.