Waterproof Poly Mailers 25x35cm Grey Tear Resistant Strong Envelopes

Durable Waterproof Poly Mailers for Secure, Moisture-Proof Packaging

Discover the strength and reliability of waterproof poly mailers designed to protect your items with confidence. Crafted from ultra-thick 0.9mm virgin polyethylene, these waterproof poly mailers 25x35cm offer a 50% thicker double-layer construction compared to standard bags, ensuring exceptional tear resistance and puncture protection. The grey tear-resistant poly mailers feature reinforced seams with double-stitched side gussets, making them ideal for safeguarding A5 documents, small electronics, jewelry, and other valuables. Their smudge-proof surface is also writable with markers, adding convenience for labeling and identification.

Extra Strong Grey Poly Mailers with Self-Adhesive Seal for Effortless Use

Equipped with a 5cm extra-deep self-adhesive strip, these tear-resistant self-adhesive envelopes provide a secure, quick seal that locks in contents and prevents moisture infiltration. The waterproof design acts as a 100% moisture barrier, perfectly suited for withstanding rain and humidity. Despite their robust construction, each bag weighs just 7.3g, minimizing shipping weight without compromising durability. Made from recyclable PE material, these heavy-duty polyethylene bags combine eco-consciousness with high performance, making them a smart choice among reinforced seam shipping bags and puncture-resistant mailers.

Built to Protect: Unmatched Strength and Reliability

• Ultra-thick 0.9mm virgin polyethylene with double-layer construction offers 50% more tear resistance, ensuring reliable protection for valuable items.
• Reinforced seams with double-stitched side gussets enhance durability, preventing tears and securing contents during transit.
• Waterproof design provides a 100% moisture barrier, safeguarding items against rain and humidity for worry-free shipping.
• Extra-deep 5cm self-adhesive strip creates a strong seal that locks in contents quickly and prevents moisture infiltration.
• Smudge-proof surface allows easy labeling with markers, simplifying identification and organization of shipments.
• Lightweight bags at just 7.3g each reduce overall shipping weight without sacrificing strength or protection.
• Dimensions of 25cm × 35cm / 9.8 in × 13.8 in perfectly fit A5 documents, small electronics, and jewelry for versatile packaging needs.
• Eco-conscious recyclable polyethylene material combines environmental responsibility with effective performance.
• High-pressure puncture resistance withstands forces up to 5N, protecting contents from damage caused by sharp objects.
• Seal strength of 9.3 N/cm ensures the adhesive stays secure, maintaining the integrity of the package throughout delivery.

Secure, Durable, and Hassle-Free Shipping Protection

These waterproof poly mailers provide reliable protection against moisture and damage, ensuring your items stay safe during transit. Their extra-thick, tear-resistant design prevents punctures and rips, eliminating worries about compromised contents. The strong self-adhesive seal offers quick and secure closure, saving time on packaging while maintaining a tight barrier against rain and humidity. Lightweight yet durable, they reduce bulk without sacrificing strength, making every shipment more efficient. The writable, smudge-proof surface adds convenience for easy labeling, helping to keep your shipments organized and professional with minimal effort.

Who Benefits Most from These Mailers?

Ideal for small business owners, online sellers, and anyone who frequently ships delicate or valuable items, these waterproof poly mailers offer reliable protection against moisture and damage. Artists, crafters, and jewelry makers will appreciate their tear-resistant design and writable surface for easy labeling. Individuals who handle electronics, documents, or sensitive materials will find these envelopes especially useful for secure, organized packaging. Environmentally conscious users seeking recyclable options without sacrificing durability will also benefit from these carefully constructed mailers that combine strength with convenience.

Durable, Waterproof Protection with Eco-Friendly Design

These waterproof poly mailers measure 25x35cm and boast a robust 0.9mm double-layer virgin polyethylene construction, offering superior tear and puncture resistance. The grey envelopes feature reinforced seams with double-stitched side gussets for added durability. With a 5cm extra-deep self-adhesive strip, sealing is quick and secure, locking out moisture completely. Their smudge-proof surface allows easy labeling, while the lightweight design minimizes bulk without sacrificing strength. Crafted from recyclable PE material, these mailers provide dependable protection for valuables and documents with an eco-friendly touch.