125 Pack 6x8 Self-Seal Rigid Mailers | Stay Flat White Cardboard Envelopes for Photos, Documents & CDs | Heavy Duty 420 GSM — Open-Box, 50% Off

Sturdy & Reliable: Each photo mailers is made from premium 420 GSM thick paperboard, offering excellent protection against bending, creasing, or crushing—ideal for shipping important documents or photos securely.

Self-Sealing & Easy to Open: These 6x8 rigid mailers come with a peel-and-seal adhesive strip for secure closure and a built-in tear strip, allowing recipients to open the paper mailers without damaging the document mailing envelopes or contents.

White, Professional Look: Our clean, crisp white 6x8 envelopes provides a polished, professional appearance, perfect for e-commerce businesses and personal use alike.

Tear Strip for Easy Opening: Built-in tear strip allows for quick and effortless opening of the Cardboard mailers without damaging the contents.

Perfect for Subscription Boxes: Use these stay flat rigid mailers for promotional items, with a suitable size for art prints, photos, CDs, certificates, documents, ebay standard envelope trading cards, booklets, manuals, greeting cards, and more.

Clear “Do Not Bend” Labels Included: Each pack of rigid mailers 6x8 comes with 200 adhesive stickers, sized 2 x 1 inches, to ensure your packages are handled carefully and arrive intact.

Our cardboard envelopes are the perfect solution for securely mailing flat, lightweight items. These cardboard mailers function as self seal mailers and stay flat mailers, making them ideal for use as photo mailers, comic mailers, calendar mailers, and document envelopes. Designed to perform as reliable hard envelopes, they are made from durable, high-quality 420 GSM paperboard that resists bending, creasing, or damage during transit. Each cardboard mailer envelope features a strong peel-and-seal adhesive strip for easy closure, while the built-in tear strip offers tamper-evident and effortless opening. With a clean white finish, these mailer envelopes give a professional and polished appearance, suitable for both personal and business use. The versatile rigid mailer size accommodates a variety of flat contents such as brochures, prints, calendars, and catalogs, and can also be used as UPS envelopes or card envelope mailers. These document mailing envelopes are designed to meet e-commerce and subscription box needs, offering space-saving, cost-effective shipping with enhanced protection. Each pack includes “Do Not Bend” stickers to ensure safe handling. In addition to their performance, these compostable mailers are recyclable and eco-friendly, making them a sustainable choice for conscientious shippers who rely on rigid envelopes to deliver their most important items securely and professionally. cardboard envelopes photo mailers 5x7 photo envelopes for mailing rigid envelopes hard envelopes for mailing stay flat mailers flat mailers rigid mailers 5x7 rigid mailers 6x9 photo envelopes