Corrugated mailer boxes are made of fluted material and designed with a box opening on the bottom.




Corrugated mailer boxes are made of fluted material and designed with a box opening on the bottom. They have a box in the front and one in the back so you can put items that are fragile or heavy inside.
Customized shipping solutions, no matter what your needs are Shipping is a key part of the success of any business. To ship your products safe and sound, you need to provide some type of customized solutions to your customers. Tribrid Packaging has been providing this type of customized service for years. We offer a wide range of options for businesses to meet their shipping needs. We provide custom shipping mailer boxes in all size to fulfill customers requirements.
Use only one corrugated mailer box for all your products or use different materials to make different boxes for different products. We are a company that offers different services to different customers. We have a wide range of products and services, and we want to make sure that our clients understand the value of what they are getting by using our materials.
Boxes are an essential item in a household. They can be used for storing and transporting items. However, the traditional way of assembling and disassembling these boxes is not easy. Our shipping mailer boxes are easy to assemble and do not require any extra effort.



What makes Tribrid different from a generic online printer — and the reason 78% of our customers come back within 90 days.
We design from scratch around your product, not around a stock catalog. Free dieline and digital proof every time.
8–10 days standard. Rush available in 6–8 days. No "TBD" emails or vague timelines.
Built into your quote. No surprise charges before press. Tracked end-to-end.
A real consultant on the other end of every email, every call, every chat. Always.
Pick a base, then layer the customizations that match your brand. Every option below is in-house at Tribrid — no outsourcing means no surprise delays.

From slim 6×4×1.5″ to oversized 14×11×4″ — built to your exact specifications.

Full-color process or PMS spot-color on the inside, outside, or both surfaces.
The details that move a box from "fine" to "this is going on Instagram." Mix and match — there are no extra charges for stacking finishes.


Everything you'd want to know before you click "Get a quote". Anything missing? Drop a line and a real packaging consultant will fill in the gaps.
The questions we get on every quote call. If you have a different one, just ask — a real packaging consultant replies within 2 hours.
50 units for standard rigid sizes. For collapsible magnetic boxes, we can begin with just one box. Digital prototyping is available for ultra-short runs.
Within 2 hours during business hours. A real packaging consultant — not a chatbot — reviews your brief and replies with pricing, options, and clarifying questions.
Yes. Free material samples (un-printed) ship within 3 days. Paid pre-production samples of your exact box ship within 7 days.
Standard rigid magnetic boxes ship pre-assembled. Collapsible magnetic boxes ship flat to cut your inbound freight cost by up to 70%.
Our standard recessed magnets are food-safe and electronics-safe at typical strengths. For magnetic-sensitive products, we offer non-magnetic snap or ribbon closures.
Standard turnaround is 8–10 business days from approved artwork. Rush production compresses this to 6–8 days.
Never. Free design support is included with every order — dieline, digital proof, and revisions until your artwork is press-ready.
Print-ready PDF/X-1a is preferred. We also accept .AI, .PSD, .EPS, and high-res .PNG. Our team flags any production issues before press.