50 Pack 7x9 inches Rigid Mailers – Self-Seal White Flat Mailers – Heavy-Duty Mailing Supplies for Documents, Photos, Magazines, and Literature

Specifications

• Sturdy & Reliable: Each document mailer 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 cardboard envelope 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 stay flat mailers envelope provides a polished, professional appearance, perfect for e-commerce businesses and personal use alike.
• Perfect for Subscription Boxes: Use these 7x9 flat mailer for promotional items, with a suitable size for art prints, photos, CDs, certificates, documents, booklets, manuals, greeting cards, and more.
• Perfect for Subscription Boxes: Use these cardboard mailers 7x9 for promotional items, with a suitable size for art prints, photos, CDs, certificates, documents, booklets, manuals, greeting cards, and more.