Reliable Weatherproof Barrier: Each mailing envelope constructed with durable polyethylene for a strong barrier against rain, humidity, and spills; our plastic shipping bags offers significantly better moisture protection than paper envelopes, protecting apparel and non-fragile goods like books and fabric during transit, ideal for humid/coastal areas; maintains USPS First-Class Mail eligibility
Convenient Self-Sealing Design: Our strong adhesive self sealing mailers features an easy peel-and-seal closure for quick packaging—insert item, remove liner, and press to secure; reduces tape need and streamlines packing versus traditional methods, ideal for high-volume sellers
1200 Pcs Wholesale Envelopes Bags Value: Cost-effective 1200-count pack of 10" x 13" mailers fits S/M t-shirts, baby clothes, 6-10 oz cosmetics, paperback books, magazines, craft kits & fabric swatches; flat storage saves major warehouse space vs. rigid boxes, optimizing inventory management
Enhanced Content Privacy: Triple-layer opaque material provides complete light blockage for discreet shipping; mailers poly bags can conceals sensitive items (lingerie, electronics, documents, gifts) to reduce porch piracy concerns, ideal for subscription boxes and confidential shipments
Durable & Recyclable: Made from recyclable HDPE (Plastic #2); reinforced construction withstands carrier sorting and resists punctures from books/electronics, mailing envelopes bags offering heavy-duty protection for jewelry and accessories while supporting eco-conscious shipping