Packing cubes organise your suitcase by grouping items into zippered pouches, while compression bags (including vacuum bags) squeeze the air out of clothing to shrink its volume. Packing cubes typically save 10–20% of suitcase space through better organisation and compression zips, while vacuum and compression bags can save 30–50% of space on bulky items like jumpers and jackets — at the cost of speed and convenience. Most travellers get the best result using both.
Quick comparison
| Packing Cubes | Compression Bags | Vacuum Bags | |
|---|---|---|---|
| Best for | Organising, finding items fast | Bulky soft items (jumpers, towels) | Maximum space, long trips |
| Space saved | 10–20% | 30–40% | 40–50% |
| Packing time | Fast — a minute per cube | Fast — zip and roll | Slower — needs a pump or vacuum |
| Wrinkling | Minimal | Some, on tightly packed items | More noticeable |
| Best trip type | Any trip, especially carry-on | Cruises, multi-city trips | Long-haul, caravan or RV trips |
| Trip Topp option | Compression Packing Cubes | PackEase Compression Bags | AirLock Vacuum Bags |
How do packing cubes actually work?
Packing cubes are lightweight fabric pouches that divide your suitcase into sections — one for tops, one for underwear, one for cables, and so on. The main space saving doesn't come from compressing your clothes; it comes from eliminating the wasted air gaps you get when clothing is loosely piled into a suitcase. A double-zip design, like Trip Topp's Compression Packing Cubes, adds a second zipper that flattens the cube further once it's packed, which is where cubes close the gap with true compression bags.
The real advantage of cubes shows up at the other end of the trip: unpacking. Instead of unloading an entire suitcase to find one shirt, you lift out one cube. For a fortnight away or a multi-stop itinerary, that's the difference between repacking in five minutes and repacking in twenty.
How do compression and vacuum bags work?
Compression bags use a one-way valve or a rolling seal to force air out of the bag once it's packed, physically shrinking the volume of soft, air-filled items like jumpers, doonas, and towels. Vacuum bags take this further with a pump — Trip Topp's AirLock Vacuum Bags include a cordless pump so you're not relying on a vacuum cleaner in a hotel room. The trade-off is time and a small risk of wrinkling, since clothes are compressed flat rather than folded and separated.
Compression bags earn their keep on the bulkiest items in your suitcase — the puffer jacket for a cruise through cooler ports, or the extra layers packed for a multi-country trip through different climates.
Which trip type suits which option?
- Weekend or short carry-on trip: packing cubes alone. You don't have enough bulky clothing for compression bags to matter, and cubes keep a carry-on organised without adding pump-and-roll time.
- Cruise or multi-city trip (2+ weeks): a mix of cubes for daily outfits and one or two compression bags for jackets or evening wear you won't touch until later in the trip.
- Caravan, motorhome or road trip: vacuum bags for seasonal or bulky items you're storing rather than accessing daily, plus cubes in day bags for what you actually need on hand.
- Family travel: one cube per family member per day range, which also stops kids' clothes getting mixed up mid-trip.
Do you need both?
For most Australian travellers, cubes plus one or two compression bags covers every scenario without overpacking your packing system itself. Start with a 4-piece Compression Packing Cubes set for daily organisation, and add PackEase Compression Bags if you're packing bulky layers for a longer or colder trip. If you want maximum compression for a long-haul or grey nomad trip where the suitcase gets packed once and not touched again until arrival, vacuum bags are worth the extra pack-down time.
Packing cubes vs compression bags: FAQs
Do packing cubes actually save space, or just organise?
Both. Cubes save some space by removing air gaps between loosely packed items, but their bigger benefit is organisation and faster unpacking. For maximum space savings on bulky items, pair cubes with a compression bag.
Can I use packing cubes and compression bags together?
Yes — this is the most common approach for longer trips. Use cubes to organise daily outfits and compression or vacuum bags for bulky items like jackets, jumpers or towels that you pack once and don't need daily access to.
Do vacuum bags damage clothing or increase wrinkling?
Vacuum bags don't damage fabric, but tightly compressed clothing can wrinkle more than clothing folded in a cube. Structured or dressy items are better suited to a cube; casual layers and bulky soft items suit a vacuum bag.
Are packing cubes worth it for a carry-on-only trip?
Yes. Because carry-on space is fixed, the organisation benefit of cubes (finding items fast, no repacking your whole bag at security) matters more than raw compression on a short trip.
What size packing cubes should I buy for a two-week trip?
A 4-piece set covering small, medium, large and an accessory pouch handles most two-week itineraries. Add a dedicated shoe pouch if you're packing more than two pairs.
Last updated: September 2026.