Does the Tortuga Pro Backpack 40L fit KLM's hand baggage limit?

Yes. The Tortuga Pro Backpack 40L is within the KLM hand baggage limit of 55 × 35 × 25 cm (≈ 21.7 × 13.8 × 9.8 in) on every side: height 0 cm, width 0 cm, depth +5.0 cm.

KLM limit 55 × 35 × 25 cm (≈ 21.7 × 13.8 × 9.8 in) · KLM baggage page, checked 2026-10-26Tortuga Pro Backpack 40L 22 × 14 × 8 in (55 × 35 × 20 cm) · maker’s page

Tortuga Pro Backpack 40L in the KLM sizer

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FRONTSIDE35 cm wide25 cm deep55 cm tall
KLM hand baggage limitTortuga Pro Backpack 40L, as listedDrawn to scale
FRONTSIDE30 cm wide15 cm deep40 cm tall
KLM · Small bag

Tortuga Pro Backpack 40L

Too bigNo. The Tortuga Pro Backpack 40L is larger than the KLM small bag limit of 40 × 30 × 15 cm (≈ 15.7 × 11.8 × 5.9 in) in height and width and depth: height −15.0 cm, width −5.0 cm, depth −5.0 cm.
LimitBagRoomHeight, cm4055−15.0 cmWidth, cm3035−5.0 cmDepth, cm1520−5.0 cmWeight, kgnone2—

Goes under the seat in front of you.

Other bags for KLM

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Osprey Farpoint 40Fits
Osprey Fairview 40Fits
Osprey Daylite Plus 20Fits
Aer Travel Pack 3Fits
Nomatic Travel Pack 20LFits

Pro Backpack 40L on other airlines

AirlineVerdict
DeltaFits
UnitedFits
AmericanFits
SouthwestFits
JetBlueFits
SpiritFits
FrontierFits
AllegiantFits
All 18 airlines for the Pro Backpack 40L

Questions

Is the Tortuga Pro Backpack 40L allowed as KLM hand baggage?

Yes. The Tortuga Pro Backpack 40L is within the KLM hand baggage limit of 55 × 35 × 25 cm (≈ 21.7 × 13.8 × 9.8 in) on every side: height 0 cm, width 0 cm, depth +5.0 cm.

Is the Tortuga Pro Backpack 40L allowed as KLM small bag?

No. The Tortuga Pro Backpack 40L is larger than the KLM small bag limit of 40 × 30 × 15 cm (≈ 15.7 × 11.8 × 5.9 in) in height and width and depth: height −15.0 cm, width −5.0 cm, depth −5.0 cm.

How much can I pack in the Tortuga Pro Backpack 40L on KLM?

KLM allows 12 kg for the hand baggage. The pack weighs 2 kg (4.4 lb) empty, which leaves about 10 kg for your things.