How do I choose a packing cube set?

Packing cubes are a small purchase that can remove a lot of trip stress. REI’s packing-cube catalog and luggage guide make the basic tradeoff clear: use them to compress clothing, separate categories, and make carry-on packing more predictable. If you are the kind of person who dumps everything into one compartment and hopes for the best, cubes are a useful correction.

Choose the set by layout first. A mix of small, medium, and large cubes works better than buying three of the same size, because socks, underwear, shirts, and bulkier layers do not behave the same way. If you travel carry-on only, choose cubes that fit your suitcase or travel backpack without forcing the bag over airline size limits. REI notes that many airlines allow carry-ons up to 45 linear inches total, so the cube set should help you stay inside that space, not fight it.

Compression cubes help if you want to squeeze more into a bag, but they add hardware and weight. Regular mesh cubes are lighter and easier to see through. Pick the version that matches your style of travel. If you are going on a business trip, visibility and fast repacking may matter more than squeezing in one extra sweater. If you are living out of one bag for a week, compression can be worth it.

If you want to shop now, start with a packing cube set. For the broader packing system, compare it with how to choose a carry-on bag, how to choose a travel toiletry bag, and how to pack a carry-on bag for a weeklong trip.