To travel carry-on only, you need packing cubes, a mix-and-match capsule wardrobe, TSA-friendly toiletries (or solid bars), a slim power bank and adapter, and one document pouch. The kit matters less than the discipline — pack for the trip you'll actually have.
The carry-on kit, by category
Clothes & packing
Packing cubes to compress and separate, a versatile capsule of layers you can mix and match, and one warm layer. Roll or fold into cubes and you'll fit far more than you'd think.
Toiletries
TSA-friendly bottles (≤100ml / 3.4oz) in a clear bag, solid bars (shampoo, soap) to dodge the liquid limit entirely, and a compact hanging toiletry kit.
Tech & power
A slim power bank (within airline limits), a universal adapter, short cables, and a small cable organizer. Keep these in an easy-access pocket for security.
Documents & valuables
Passport, cards, and boarding passes in one document pouch, plus a backup card or some cash hidden separately. RFID-blocking sleeves are cheap peace of mind.
Our picks
The single most useful carry-on accessory — compress clothes and stay organized.
One adapter for almost every country, with multiple USB ports.
Slim and TSA-friendly, with enough capacity for a full travel day.
Keeps liquids organized and TSA-ready, and hangs in any cramped bathroom.
The packing system
- Lay out everything, then put a third of it back — you'll wear less than you think.
- Build a capsule: neutral layers that all work together.
- Cube by category (tops, bottoms, underwear/socks) so you never dig.
- Wear your bulkiest layer and shoes on the plane.
FAQ
What do I actually need for carry-on only?
Packing cubes, a capsule wardrobe of mix-and-match layers, TSA-friendly toiletries (or solid bars), a power bank and adapter, and a single document pouch. The skill is discipline: pack for the trip you'll actually have, not every hypothetical.
How do I pack toiletries for carry-on?
Keep liquids to containers of 100ml/3.4oz or less in one clear quart-size bag, or switch to solid shampoo and soap bars to avoid the liquid rules entirely. A compact hanging kit keeps it all organized in a shared bathroom.
Are packing cubes worth it for carry-on?
Yes — they're the single most useful carry-on accessory. They compress clothes, keep the bag organized, and make unpacking and repacking painless when you're living out of one bag.
What can't go in a carry-on?
Liquids over 100ml/3.4oz, most sharp objects, and some power banks above the airline's watt-hour limit. Check your airline and security rules before you fly — limits vary by country and carrier.
Build your kit with the full travel accessories guide, or the women's and men's editions.