The Boxery 8.5" x 11.25" - Extra-Wide Gusseted White Poly Bubble Mailer Bags (75 Pack), Self-Seal, Water/Tear Resistant, Tear Strip, 4" Gusset Bottom for Bulkier Items, HDPE (#2)

Protect your shipments with our premium Expanding Bottom Gusset Poly Bubble Mailers, designed for secure, efficient, and professional packaging. These mailers feature a bottom gusset that expands to accommodate bulkier items without compromising protection. The 7/64" bubble lining cushions contents from impact, while the self-sealing adhesive flap ensures a fast, tamper-evident closure. The anti-static release liner peels smoothly for quick processing. Made from tear-, puncture-, and moisture-resistant white film, these mailers offer a clean appearance and rugged durability. Reinforced with side heat seals and a bottom fold to prevent bursting, they’re ideal for e-commerce, office shipping, and fulfillment centers.

• Package contains 75 Mailers, Outer: 9.375" x 11.25" | Inner: 8.5" x 11.25" - 4" gusset bottom
• Spacious Gusseted Design – These mailers feature a 4-inch bottom gusset that expands to accommodate bulkier items, perfect for soft goods, apparel, and multi-item orders.
• Secure & Tamper-Evident Seal – Self-sealing adhesive strip ensures packages stay closed in transit while offering tamper protection for peace of mind.
• Durable Exterior Protection – White poly film resists tearing, punctures, and moisture, delivering a sleek, professional look while keeping contents safe.
• Built to Prevent Bursting: Reinforced with side pouch heat seals and a bottom gusset fold to withstand pressure and protect contents throughout delivery.