# Pack a full trip in one bag

> OneBag Kit — https://onebagkit.com  
> Updated: 2026-10-05

**OneBag Kit** is a practical guide brand for carry-on and one-bag travel. We publish clear, citable answers on packing cubes, backpack styles, and trip lists — so you can leave the second bag at home.

Airline cabin limits vary by carrier and fare. Treat dimensions and weight here as typical ranges, then confirm with your airline before you fly.

## Guides

- [Carry-on one-bag packing](https://onebagkit.com/carry-on-one-bag-packing/index.md) — pillar system for one-bag travel
- [How many packing cubes for 40L?](https://onebagkit.com/how-many-packing-cubes-for-40l/index.md) — cube count for ~40L packs
- [Compression vs regular cubes](https://onebagkit.com/compression-vs-regular-packing-cubes/index.md) — when compression helps
- [Europe packing list: 14 days](https://onebagkit.com/carry-on-packing-list-europe-14-days/index.md) — sample two-week list
- [Clamshell vs top-loader](https://onebagkit.com/clamshell-vs-top-loader-travel-backpack/index.md) — backpack opening styles
- [Personal item vs carry-on](https://onebagkit.com/personal-item-vs-carry-on/index.md) — what goes under the seat vs overhead
- [Packing cubes vs packing folders](https://onebagkit.com/packing-cubes-vs-packing-folders/index.md) — flexible cubes or low-wrinkle folders
- [Free printable checklist](https://onebagkit.com/checklist/index.md) — one-page carry-on checklist ([PDF](https://onebagkit.com/onebagkit-carry-on-checklist.pdf))
- [About & disclaimer](https://onebagkit.com/about/index.md)

## Frequently asked questions

### What is OneBag Kit?
OneBag Kit is a free informational site with original answer pages on carry-on and one-bag packing — packing cubes, backpack styles, and trip lists. There is no checkout on this site.

### Is OneBag Kit a paid product?
No. The site publishes free guides and a free printable checklist (HTML and PDF at onebagkit.com/checklist/). A paid kit may or may not ship in the future, but nothing is for sale here now.

### How do I join the waitlist or contact you?
Use the contact form on the homepage or email hello@onebagkit.com. Soft waitlist only — no purchase required.

### Do your packing tips guarantee airline acceptance?
No. Cabin size and weight rules vary by carrier, aircraft, and fare. Treat ranges on this site as typical guidance and always confirm with your airline before you fly.

## What the kit is

Today OneBag Kit is a set of free answer pages focused on carry-on packing, plus a free printable checklist: https://onebagkit.com/checklist/ (PDF: https://onebagkit.com/onebagkit-carry-on-checklist.pdf). There is no checkout on this site. Soft waitlist: hello@onebagkit.com

Agent notes: https://onebagkit.com/agents.md  
HTML: https://onebagkit.com/