S$78.66
Overhead bag · 55 × 35 × 20 cm
Soft cabin backpack, 55 × 35 × 20 cm
A soft body that gives a centimetre at the gate, and 35 cm of width instead of 40.
16 of 18 cabin frames
A3 · KE · Korean Air
Korean Air measures the bag at the gate
Ten kilos, but only 20 cm deep — the tightest depth on the board.
The frame, written out
November 2026| 55 × 40 × 20 cm | 10 kg |
| 40 × 30 × 15 cm | 10 kg |
| 13 of 14 | KE |
On the stall
13 bags clear this frame
Measured over the outside of the bag, wheels included, within the cabin weight of 10 kg.
S$78.66
S$74.41
Overhead bag · 55 × 35 × 20 cm
Cabin backpack, 55 × 35 × 20 cm
The same envelope with a top-loading mouth. Squeezes into a 36 cm sizer.
16 of 18 cabin frames
S$94.21
Overhead bag · 45 × 36 × 20 cm
38 L cabin bag, 45 × 36 × 20 cm
Exactly 36 cm wide — the AirAsia and Nok line, and not a millimetre over.
18 of 18 cabin frames
S$170.76
over 36 cm
Overhead bag · 55 × 37 × 20 cm
Hard-shell trolley, 55 × 37 × 20 cm
One centimetre too wide for every Thai carrier. Fine on the long-haul frames.
5 of 18 cabin frames
S$99.70
over 36 cm
Overhead bag · 55 × 40 × 20 cm
Cabin suitcase, 55 × 40 × 20 cm
The European shape. Boards Korean Air and ANA; fails all six Thai carriers on width.
4 of 18 cabin frames
S$64.84
Underseat bag · 40 × 25 × 20 cm
Under-seat trolley, 40 × 25 × 20 cm
A trolley that goes under the seat. Twenty-five centimetres tall.
18 of 18 cabin frames · 1 of 15 seat boxes
S$80.02
Underseat bag · 40 × 25 × 20 cm
Cabin travel backpack, 40 × 25 × 20 cm
Built to the smallest personal-item box on the board.
18 of 18 cabin frames · 1 of 15 seat boxes
S$62.16
Underseat bag · 40 × 25 × 20 cm
Roll-top backpack, 40 × 25 × 20 cm
Rolls down when it is half full, so the depth stays at 20 cm.
18 of 18 cabin frames · 1 of 15 seat boxes
S$60.85
Underseat bag · 40 × 30 × 20 cm
Travel bag, 40 × 30 × 20 cm
The 40 × 30 × 20 box most carriers draw their personal-item frame around.
18 of 18 cabin frames · 1 of 15 seat boxes
S$63.19
Underseat bag · 40 × 30 × 20 cm
Under-seat backpack, 40 × 30 × 20 cm
A structured back panel. Holds the 20 cm depth even when it is full.
18 of 18 cabin frames · 1 of 15 seat boxes
S$160.84
Underseat bag · 40 × 30 × 20 cm
Foldable under-seat case, 40 × 30 × 20 cm
Folds flat into a drawer when the trip is over.
18 of 18 cabin frames · 1 of 15 seat boxes
S$138.14
Underseat bag · 40 × 30 × 15 cm
Expandable under-seat bag, 40 × 30 × 15 cm
Starts at 15 cm deep and zips out to 20. Leave it thin until you are past the sizer.
18 of 18 cabin frames · 5 of 15 seat boxes
S$43.35
Underseat bag · 40 × 30 × 15 cm
Weekender duffle, 40 × 30 × 15 cm
Soft, so it finds space the hard cases cannot.
18 of 18 cabin frames · 5 of 15 seat boxes