Rated 4.6 out of 5 based on 96 reviews on Trustpilot
Rated 4.6 out of 5 based on 96 reviews on Trustpilot
Our rigid mailers 9x12 offer the highest levels of protection to your most valuable papers during delivery. They are made of high-quality and environmentally friendly materials. Therefore, they offer elegance, style, and strength to each delivery. They are semi-rigid and thus cannot bend easily, which makes them safe and secure during shipping. These mailers can be used in different ways in retail, marketing, art, and photography. These offer the best packaging solution to deliver your photos, documents, and small booklets without any damage. Our rigid mailers 9x12 also feature a secure closure to deliver your content safely. The right-sized mailer also saves space and shipping costs. You can also customize them in any color, style, and size to your desired rigid mailers. So get your perfectly sized rigid mailers 9x12 to give your documents a professional look and durable packaging.
Send your specs and get professional pricing back within 2 hours on business days.
| Box style | Rigid Mailers 9×12 |
|---|---|
| Dimensions | All custom sizes and shapes |
| Minimum quantity | 100 boxes |
| Board | Greyboard 1.5mm – 3mm |
| Wrap stock | 128–157gsm art paper, kraft, or textured |
| Closure | Two concealed neodymium magnets |
| Format | Assembled or collapsible |
| Printing | Offset and digital, CMYK + spot colour |
| Lamination | Matte, gloss, or soft touch |
| Add-on finishes | Spot UV, foil, embossing, debossing |
| Inserts | Foam, EVA, pulp, card — velvet or silk lined |
| Proof | Free digital proof, sample on request |
| Turnaround | 12–15 business days after approval |
| Shipping | Flat rate, tracked |
Offset Printing
Digital Printing
Pantone Colors
Soft Touch Lamination
Spot Gloss UV
Hot Foil Printing
Blind Embossing
Window Patching
White Kraft
Natural Brown Kraft
Textured Paper
Grey Chipboard
The Rigid Mailers 9×12 are best for shipping flat envelopes made from thick paperboard. Their purpose is to secure the corners of letter-sized documents from folding or bending. This size is best fit for standard letters, magazines, photos, certificates, and other relevant documents. Brands customize these mailers according to their requirements for size, material, and high-quality printing to match different shipping needs.
Protecting customers' important documents is the top priority of shipping companies. That’s why we manufacture rigid mailers to prevent bending of papers or documents during shipping. Brands use these mailers to send different things, including:
Companies use 6×8 rigid mailers for compact orders because they’re a perfect match for small items. 4×6 rigid mailers are good for small shipments because they accommodate cards, photos, and samples with no empty space. These perfect mailers improve packing efficiency and provide better protection.
Rigid Mailers 9x12 are stronger than traditional envelopes and slimmer than bubble mailers. Brands use them to securely ship important papers for their customers with fewer returns. Our literature mailers are also perfect for shipping catalogs and documents. Let’s explore how brands use these mailers in different industries.
You should also try our vinyl record mailers that are used to ship large items like event albums. If you need more space for your products, then we also provide mailer boxes that can hold multiple items. These options can also be combined with printed mailers to make your packaging eco-friendly and protected.
Other than these options, we also manufacture custom mailers for small & large companies. By using them, you can manage space inside the mailer and safely ship your items.
Our rigid mailers are customized with strong paperboard and protective layers to prevent bending and creasing of documents. The rigid construction combines fiberboards, paper liners, and protective layers to keep flat items safe while being shipped.
Rigid Mailers 9×12 are made out of thick boards like 450 GSM fiberboards to be used for shipping documents, catalogues, artworks, and presentations. You can control document tear resistance and stiffness by choosing high-quality material.
| Material | Function | Protective Benefit |
| Solid chipboard | Forms the rigid base | Resists bending and corner crush |
| Kraft liner paper | Outer surface layer | Adds tear resistance |
| Clay-coated paper | Smooth print surface | Improves branding clarity |
| Peel-and-seal adhesive strip | Closure system | Secures contents firmly |
| Water-resistant coating | Surface treatment | Reduces light moisture damage |
To provide eco-friendly mailers, we also manufacture custom bubble mailers to support environmentally friendly packaging.
Customers notice waste. Businesses also track it. Eco friendly rigid mailers cut plastic use and keep shipping reliable. They ship with recycled paperboard and are easy to recycle after delivery. Main benefits include:
Some companies replace custom bubble mailers with paper-based protection for flat items. This choice supports sustainability goals and reduces long-term packaging risk.
Every item that you want to deliver has a different closure ending that requires various sizes. We offer mailers 9×12 in several styles that help pack documents quickly and keep them safe during transportation. Here are some of the top styles we offer;
High-quality printing ensures high visibility and clarity of the surface. We manufacture rigid mailers according to the requirements you will give that includes design, dimensions, and material. If you give a bulk order, we will use offset and flexographic printing to provide clear graphics and consistent colors. Digital printing for small orders and screen printing to make great logos and artworks. So, choose printing wisely that can match your branding needs.
We manufacture every rigid mailer according to the requirements of brands. Our rigid mailers are also available in standard sizes that will improve your shipping efficiency.
| Size | Common Use | Shipping Advantage |
| 4×6 in | Photos, Postcards | Compact And Lightweight |
| 6×8 in | Booklets, Samples | Reduces Empty Space |
| 8.5×11 in | Documents, Contracts | Keeps Papers Flat |
| 9×12 in | Magazines, Catalogs | Prevents Corner Damage |
| Custom size | Apparel, Reports | Exact Product Fit |
Brands mostly choose rigid mailers over insulated bubble mailers due to their resistance during transit.
You can calculate the cost of Rigid Mailers 9×12 according to the material and production requirements. Brands that order in large quantities receive a low production cost, and vice versa.
| Quantity | Estimated Price Per Unit | Estimated Total Cost |
| 50 Units | $2.40–$3.80 | $120–$190 |
| 100 Units | $2.10–$3.30 | $210–$330 |
| 250 Units | $1.70–$2.80 | $425–$700 |
| 500 Units | $1.40–$2.30 | $700–$1,150 |
| 1,000+ Units | Custom Quote | Contact for Wholesale Pricing |
The final price can be changed due to different variables. We offer custom mailers wholesale at the lowest prices that have a tear strip for easy opening.
Many brands are worried because the bending and creasing of important documents are leaving a bad brand impression on their customers. Shop Rigid Boxes is solving this issue by becoming a leading packaging supplier in the US. We manufacture customized rigid mailers 9x12 according to your desired requirements.
We want to provide you with the latest options for sending your important documents through shipping. Our packaging expert team is available 24/7 to provide you with free design consultancy. We also take care of startups and growing brands by providing them with the lowest MOQ. You will get free shipping throughout the US and a fast turnaround time of 8-10 days.
Contact us and get a free quote now!
100 boxes. Per-box pricing drops at 500, 1,000, and 5,000 units, so ask for tiered pricing if you expect to reorder.
12–15 business days from approved proof to dispatch. Rush production is available on request for an additional charge.
Yes. Our design team prepares dielines, sets up your artwork, and produces the proof at no cost, whatever the order size.
very order includes a free digital proof. Physical samples of your exact box can be produced on request before the full run.
Credit and debit cards, PayPal, and bank transfer. Larger runs can be split into a deposit and a balance on dispatch.
Boards are FSC-certified, and inks, coatings, and adhesives meet food-contact standards where the box needs it.