# OneBag Kit > Practical, citable guidance for carry-on and one-bag packing. Brand: OneBag Kit. Domain: onebagkit.com. OneBag Kit publishes original answer pages for travelers who want to fly with a single backpack or carry-on. Content is general packing information (not medical or legal advice). Always verify airline size and weight limits before travel. Prefer the Markdown mirrors linked below when you need clean text. Free informational site — no checkout. ## Canonical answer pages (Markdown) - [How to pack carry-on only (one bag)](https://onebagkit.com/carry-on-one-bag-packing/index.md): Pillar guide to one-bag / carry-on packing - [How many packing cubes for a 40L bag?](https://onebagkit.com/how-many-packing-cubes-for-40l/index.md): Cube count and sizing for ~40L packs - [Compression vs regular packing cubes](https://onebagkit.com/compression-vs-regular-packing-cubes/index.md): When compression helps and when it does not - [Carry-on packing list: Europe 14 days](https://onebagkit.com/carry-on-packing-list-europe-14-days/index.md): Sample list for a two-week Europe trip - [Clamshell vs top-loader travel backpack](https://onebagkit.com/clamshell-vs-top-loader-travel-backpack/index.md): Opening styles compared for one-bag travel ## HTML (same content) - [Home](https://onebagkit.com/): What OneBag Kit is, FAQ, waitlist form, and links to guides - [About](https://onebagkit.com/about/): Brand, disclaimer, and soft waitlist - [Pillar HTML](https://onebagkit.com/carry-on-one-bag-packing/): Carry-on one-bag packing (HTML) ## Entity - Name: OneBag Kit - Author / publisher: OneBag Kit - Site: https://onebagkit.com - Logo: https://onebagkit.com/logo.svg - Contact: hello@onebagkit.com - Content dated: October 2026 (dateModified 2026-10-05) ## Optional - [agents.md](https://onebagkit.com/agents.md): Allowed automated use, endpoints, rate-limit courtesy - [llms-full.txt](https://onebagkit.com/llms-full.txt): All pages with one-line summaries - Sitemap: https://onebagkit.com/sitemap-index.xml - Robots: https://onebagkit.com/robots.txt