Kraft Brown Rigid Mailers, Self Seal Cardboard Envelopes, 100 Count, 11 x 13.5 in

Ensure your valuable documents and fragile prints arrive in pristine condition with these heavy-duty rigid mailers designed for maximum bend resistance and professional presentation.

Shipping important items requires a solution that guarantees they stay flat and protected from the moment they leave your hands until they reach their destination. These 11 x 13.5 inch cardboard mailers are engineered from premium 550 GSM kraft brown paperboard, providing a sturdy barrier against folding, creasing, and external impact. This 100-pack is an essential resource for photographers, artists, and office administrators who need to send high-quality photos, legal documents, or certificates without the fear of transit damage. The high-density construction eliminates the need for additional stiffeners, which helps you streamline your fulfillment process while maintaining a professional aesthetic. Whether you are running a small e-commerce business or managing professional correspondence, these stay-flat envelopes provide peace of mind by securing your contents in a firm, protective sleeve. The natural kraft finish offers a clean, versatile look that is easy to label, ensuring your packages always look organized and reliable to your recipients. - Extra-Rigid 550 GSM Construction: High-density cardboard prevents bending and creasing to ensure your photos and documents remain in showroom condition throughout the shipping process.
- Secure Self-Seal Adhesive: The powerful peel-and-press strip creates a permanent closure that saves time during packing and eliminates the need for messy tape or glue.
- Integrated Tear Strip: A convenient built-in pull tab allows your customers to open the package quickly and easily without risking damage to the contents inside.
- Optimized 11 x 13.5 Inch Sizing: Perfectly proportioned for large-format prints, legal folders, and marketing materials, providing a snug fit that prevents items from shifting during transit.
- Eco-Friendly Kraft Brown Material: The sustainable paperboard design offers a professional and environmentally conscious packaging solution suitable for all business types.