Does the Peak Design Travel Backpack 45L fit Qatar Airways' cabin bag?

No. Too long by 6 cm. It's 56 cm top to bottom and Qatar Airways allows 50 cm. It's too big for Qatar Airways' personal item (No size published).

Won't fit

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Won't fit

Too long by 6 cm. It's 56 cm top to bottom and Qatar Airways allows 50 cm.

BagPeak Design Travel Backpack 45L

Cabin bagQatar Airways

Length: 56of 50 cm6 cm over
Width: 33of 37 cm4 cm spare
Depth: 23of 25 cm2 cm spare

Weight7 kg limit

Packed weightkg

Empty it weighs 2 kg, leaving 5 kg for your things.

What you can do

Take a bag 50 cm tall or less. 4 bags we list fit.
Or check it in when you book. It's usually cheaper than paying at the gate.
Fits 4 other airlines, including Singapore Airlines and Frontier Airlines. See all

We haven't checked this bag's size against the brand yet.

See bags that fit Qatar Airways

Qatar Airways rules checked 2 Nov 2026. Source. Sizes include wheels and handles.

Side by side

Peak Design Travel Backpack 45L against Qatar Airways' limits. Bags can be turned, so the longest side is compared with the longest limit.

Cabin bag: 50 × 37 × 25 cm, 7 kg
Side	Bag	Limit	Result
Length	56 cm	50 cm	6 cm over
Width	33 cm	37 cm	4 cm spare
Depth	23 cm	25 cm	2 cm spare

Empty it weighs 2 kg of the 7 kg limit.

Qatar Airways rules worth knowing

Cabin bag: Shorter but chunkier than most limits.
Personal item: A handbag or small briefcase. A separate laptop bag counts as your cabin bag. No published dimensions.
Weight is enforced at check-in in Doha.

Airlines where the Peak Design Travel Backpack 45L fits

Singapore Airlines Frontier Airlines Southwest Airlines AirAsia All airlines

Bags that fit Qatar Airways' cabin bag

Biggest first.

Cabin Max Metz 30L45 × 36 × 20 cmTight1 cm to spareBag page
CabinZero Classic 36L45 × 31 × 20 cmFits5 cm to spareBag page
WANDF Personal Item Duffel45 × 32 × 16 cmFits5 cm to spareBag page
Horizn Studios Gion Shoulder Bag27 × 18 × 5.5 cmFits19 cm to spareBag page

Good to know

What can I do if the Peak Design Travel Backpack 45L is too big for Qatar Airways?

Add a checked bag when you book, which is usually cheaper than paying at the gate, or bring a smaller cabin bag. The Peak Design Travel Backpack 45L does fit Singapore Airlines, Frontier Airlines and Southwest Airlines.

What is Qatar Airways' cabin bag size limit?

Qatar Airways' cabin bag limit is 50 × 37 × 25 cm, up to 7 kg.

Which other bags fit Qatar Airways?

CabinZero Classic 36L, WANDF Personal Item Duffel and Horizn Studios Gion Shoulder Bag fit with room to spare. Cabin Max Metz 30L is right on the limit.