Bags & mailers

Custom Mailer Bags, Designed Online

Lightweight branded mailers for apparel and soft goods — designed in 3D, proofed, and ordered made.

Start designing — free →Watch the 60-second demo
✓ True production dielines✓ Real proof before you order✓ Made in our U.S. factory✓ Ships to your door

Custom mailer bags are the lightest, most cost-effective way to ship soft goods with your brand on them, and TWOFORM lets you design one online in live 3D. Choose poly or padded kraft, set your size, and Sam wraps your artwork across the bag with the seal and tear strip already placed. Bring a design or start from scratch, place your exact codes, approve a real proof, and we manufacture and ship it from our U.S. factory — a branded mailer that costs less than a box and still lands the unboxing.

Design it yourself, online

Design your mailer bags online in real 3D — with instant proofs.

Watch your package build itself on screen. Sam, our in-house AI designer, can create a finished concept in minutes — or bring your own art. You see the real proof before you spend a dollar, approve it, and we manufacture and ship it straight to your door.

Live 3D preview
Your art wraps onto the true dieline as you work.
AI does the design
Sam builds up to 4 real concepts in minutes.
See the real proof
Approve exactly what will be made — no surprises.
We make & ship it
Straight from our U.S. factory to your door.
Design your mailer bags now →

Materials, structures & finishes

Types
  • ·Poly mailers
  • ·Padded / bubble kraft mailers
  • ·Recyclable & compostable mailers
Features
  • ·Self-seal strip
  • ·Tear strip
  • ·Double seal
  • ·Opaque or matte film
Print
  • ·Full CMYK
  • ·Spot / Pantone
  • ·All-over / edge-to-edge print
Sizes
  • ·Small to oversized
  • ·Custom dimensions

Built for

Apparel & fashionE-commerce & DTCSoft goodsSubscriptionAccessories
How it works

From your idea to a real, ordered mailer bag

1
Bring it or brief Sam
Upload a design from ChatGPT, Midjourney or your own designer — or brief Sam, our in-house AI packaging designer, from scratch.
2
Sam creates options
You get up to 4 real concepts, already mapped onto your true production dieline. Not mockups — the real structure.
3
Choose your favorite
Pick the direction you love. Every fold, panel, bleed and safe zone is already correct.
4
Fine-tune it
Final edits open up. Adjust anything with Sam until it feels unmistakably yours.
5
Place your exact assets
Drop in your real barcodes, QR codes, nutrition and legal copy — placed by you, pixel-perfect, untouched by AI.
6
Approve the proof & order
See the real proof, approve it, and order. It goes straight to our factory, print-ready, and ships to your door.

Frequently asked questions

Can I really design it myself online?

Yes. TWOFORM's studio puts a live 3D model of your package on screen — brief Sam, our in-house AI packaging designer, or upload art from ChatGPT, Midjourney or your own designer, and watch it wrap onto your true production dieline in real time. You place your own barcodes, QR codes and legal copy pixel-perfect, see a real proof, approve it, and we manufacture and ship it. No design experience needed.

What's the difference between a mailer bag and a bubble mailer?

A poly mailer bag is a lightweight film bag for non-fragile soft goods; a bubble (padded) mailer adds cushioning for items that need protection. You can design either in the studio and preview it in 3D before ordering.

Do you actually manufacture it, or hand me off?

We manufacture it. TWOFORM is the online studio for TWO Packaging, a real U.S. packaging manufacturer with its own factory. You design directly with the people who make it — no broker, no handoff, no moment where it stops being real.

Design more packaging

Custom bubble mailers
Design in 3D →
Custom mailer boxes
Design in 3D →
Custom corrugated boxes
Design in 3D →
Custom custom pouches
Design in 3D →

Design your mailer bags and order it made — in one sitting.

Free to start. Real proof before you buy. Made in our U.S. factory and shipped to your door.

Start designing — free →