Overhead bag · 55 × 35 × 20 cm
Soft cabin backpack, 55 × 35 × 20 cm
A soft-sided 20 cm deep pack that slides into the 56 × 36 × 23 frames without a fight.
15 of 18 overhead frames
The shelf
Cabin bags, measured before they are sold
8 overhead bags and 6 under-seat bags. The badge under each one counts how many of the 18 cabin frames it clears with the sides turned any way round.
Overhead bag · 45 × 36 × 20 cm
Compact cabin backpack, 45 × 36 × 20 cm
Short enough to pass the 50 cm Qatar frame, which most 55 cm bags do not.
17 of 18 overhead frames
Overhead bag · 56 × 37 × 23 cm
Hard-shell cabin case, 56 × 37 × 23 cm
Sold as a 56 × 36 × 23 bag, but the shell measures 37 cm across — one centimetre over.
0 of 18 overhead frames
Overhead bag · 55 × 35 × 25 cm
Four-wheel hard case, 55 × 35 × 25 cm
Deep at 25 cm. Fine for ANA, over the line for the 23 cm frames.
1 of 18 overhead frames
Overhead bag · 55 × 40 × 20 cm
TSA hard-shell trolley, 55 × 40 × 20 cm
The classic European cabin size. Clears the 40 cm carriers, not the 36 cm ones.
3 of 18 overhead frames
Overhead bag · 55 × 40 × 20 cm
44 L cabin backpack, 55 × 40 × 20 cm
A big soft pack in the same 55 × 40 × 20 envelope, with compression straps to squeeze it.
3 of 18 overhead frames
Overhead bag · 55 × 38 × 22 cm
20-inch hard case, 55 × 38 × 22 cm
Within a centimetre of the Emirates frame on every side, and inside the 56 × 36 × 23 only if it is not over-packed.
3 of 18 overhead frames
Overhead bag · 55 × 40 × 20 cm
Spinner trolley case, 55 × 40 × 20 cm
Four spinner wheels and a hard shell. The 40 cm width is what decides it.
3 of 18 overhead frames
Under-seat bag · 40 × 30 × 20 cm
Foldable under-seat bag, 40 × 30 × 20 cm
Folds flat when empty. The shape most under-seat frames are drawn around.
18 of 18 overhead frames
Under-seat bag · 40 × 30 × 15 cm
Expandable under-floor bag, 40 × 30 × 15 cm
Zips out from 15 cm to 20 cm deep. Start 15 cm for the thin personal-item frames.
18 of 18 overhead frames
Under-seat bag · 40 × 30 × 20 cm
Expandable travel backpack, 40 × 30 × 20 cm
Grows from 24 L to 30 L. Keep it at 24 L until you are past the sizer.
18 of 18 overhead frames
Under-seat bag · 40 × 30 × 20 cm
Recycled-fabric backpack, 40 × 30 × 20 cm
Recycled cloth, 24 L, and a shape that keeps its 20 cm depth when full.
18 of 18 overhead frames
Under-seat bag · 40 × 25 × 20 cm
20 L under-seat bag, 40 × 25 × 20 cm
Twenty litres and 25 cm tall — the shortest under-seat bag on the shelf.
18 of 18 overhead frames
Under-seat bag · 40 × 30 × 15 cm
Personal-item backpack, 40 × 30 × 15 cm
Built to the 40 × 30 × 15 personal-item box that Vietnam Airlines and Korean Air publish.
18 of 18 overhead frames
How the count works. Each bag's three sides are sorted and compared to the sorted sides of the carrier's frame. A bag only counts if every side of the bag is shorter than or equal to the matching side of the frame, so nothing is given the benefit of a squeeze.