| Box Style | Self-Locking Mailer Box (Roll End Tuck Front - RETF) |
|---|---|
| Material Options | Kraft Corrugated, White Corrugated, E-Flute, B-Flute, Rigid Stock (Premium) |
| Flute Types | E-Flute (1.5mm), B-Flute (3mm), Custom Flute on Request |
| Stock Thickness | 16pt – 28pt (depending on material selection) |
| Printing Options | Offset Printing, Digital Printing, Flexographic Printing |
| Color Options | CMYK (4 Color Process), Pantone (PMS), Inside & Outside Printing Available |
| Finishing Options | Matte Lamination, Gloss Lamination, Soft-Touch Lamination, AQ Coating |
| Add-Ons | Spot UV, Foil Stamping (Gold/Silver), Embossing, Debossing, Custom Inserts |
| Sizes | Custom Sizes Available (Length × Width × Depth) |
| Minimum Order Quantity | Low MOQ Available |
| Turnaround Time | 8–12 Business Days (Rush Available) |
| Shipping | Flat Packed, Free Shipping Available |
| Eco-Friendly | Recyclable & Biodegradable Options Available |
Plain mailer boxes are built for bulk, strong, clean, and ready to ship. Whether you are packing 50 orders or 5,000, these boxes hold up from warehouse to doorstep without letting you down. No printing, no fuss, just reliable protection for whatever is inside. Made from sturdy corrugated cardboard, they provide reliable protection while maintaining a clean and professional look. At The Mailer Boxes, our plain mailers are designed for strength, easy assembly, and everyday shipping performance, making them a practical choice for businesses that value both function and affordability.
When you are shipping at scale, every box matters. A weak box means a damaged product. A damaged product means a return, a refund, and a customer who probably will not come back. That is why wholesale buyers across the country trust plain mailer boxes that are built to actually do the job, not just look good on a product page.
At The Mailer Boxes, our plain mailer boxes are made for businesses that ship in volume and cannot afford to cut corners on packaging quality.
The word "plain" does not mean cheap. Our boxes are made from high-quality corrugated and kraft materials that hold their shape under pressure, stack cleanly in your warehouse, and arrive at the customer's door looking exactly as they should. No dents, no cave-ins, no surprises.
Every box is precision-cut for a tight, secure close, no extra tape needed in most cases. The self-locking design saves your team time on the packing floor, which adds up fast when you are processing hundreds of orders a day.
They lay flat for storage, which is a big deal when you are buying in bulk. You are not wasting shelf space on pre-assembled boxes sitting around taking up room. Stack them flat, pull them as needed, done.
We carry plain mailer boxes in a full range of sizes, from small options for jewellery and accessories all the way up to larger dimensions for apparel, books, and multi-item orders. If you are not sure which size fits your product best, our team can help you find the right fit before you commit to a bulk order.
Need something specific? We also offer Kraft Mailer Boxes with custom sizing options for businesses with products that do not fit standard dimensions.
Printed boxes are great, but they are not always the right move. A lot of wholesale buyers prefer plain mailer boxes because they are faster to produce, lower in cost per unit, and available for quick dispatch. If you are a fulfillment center, a third-party logistics provider, or a business that ships across multiple brands, plain boxes give you flexibility that printed ones simply cannot.
You can brand them yourself with a stamp, a sticker, or tissue paper on the inside. The outside stays clean and professional. It is a smart approach that a lot of high-volume shippers use to keep costs down without looking like they cut corners.
The more you order, the better your rate. Our plain mailer boxes are priced with wholesale buyers in mind, so your per-unit cost drops significantly when you order in quantity. Check our bulk pricing page to see the full breakdown by quantity tier.
We also keep stock ready, so your orders go out fast. No long production waits, no backorders holding up your operations.
If you are looking for a packaging partner that understands what high-volume shipping actually demands, you are in the right place. Get in touch with our team today and let us put together the right order for your business.
Stock up smart. Ship with confidence. That is what The Mailer Boxes is here for.