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aviewebnue Cabin stall · Bangkok Basket 0

A3 · TG · Thai Airways

Thai Airways measures the bag at the gate

45 cm wide — the widest overhead frame of any Thai carrier, but one bag only.

The frame, written out

November 2026
56 × 45 × 25 cm7 kg
one piece only—
14 of 14TG

On the stall

14 bags clear this frame

Measured over the outside of the bag, wheels included, within the cabin weight of 7 kg.

Hard-shell cabin case, 55 × 35 × 25 cm S$99.35

Overhead bag · 55 × 35 × 25 cm

Hard-shell cabin case, 55 × 35 × 25 cm

25 cm deep, which clears the Thai 23 cm limit only if the shell is not packed proud.

3 of 18 cabin frames

Amazon
Soft cabin backpack, 55 × 35 × 20 cm 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

Amazon
Cabin backpack, 55 × 35 × 20 cm 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

Amazon
38 L cabin bag, 45 × 36 × 20 cm 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

Amazon
Hard-shell trolley, 55 × 37 × 20 cm 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

Amazon
Cabin suitcase, 55 × 40 × 20 cm 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

Amazon
Under-seat trolley, 40 × 25 × 20 cm 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

Amazon
Cabin travel backpack, 40 × 25 × 20 cm 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

Amazon
Roll-top backpack, 40 × 25 × 20 cm 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

Amazon
Travel bag, 40 × 30 × 20 cm 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

Amazon
Under-seat backpack, 40 × 30 × 20 cm 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

Amazon
Foldable under-seat case, 40 × 30 × 20 cm 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

Amazon
Expandable under-seat bag, 40 × 30 × 15 cm 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

Amazon
Weekender duffle, 40 × 30 × 15 cm 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

Amazon