Pakt Stash Packable Backpack 16L vs. Black Ember Citadel 18

Two carry-on travel backpacks, compared spec for spec.

Pakt Stash Packable Backpack 16L

by Pakt
Front facing view of the Pakt Stash Packable Backpack 16L
Capacity16 L
Weight0.4 kg
Dimensions43×26×12 cm
Airline fit96%
Price$95

Feature by feature

Pakt Stash Packable Backpack 16LFeatureBlack Ember Citadel 18
Storage
N Compression N
None Expanded Capacity None
1 Opening 1
Passport top
N Passthrough Y
Carry
Y Backpack Y
removable, optional Hip Belt N
removable Sternum Strap removable
Inside
15in Laptop 14in
3 Main Compartments 3
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
N Water Bottle Holder N
Y Water Resistant Y
Material
70D x 160D recycled nylon Tasland ripstop fabric PFAS-free durable water resistant coating420 VELOCITY CORDURA re/cor RN66

Black Ember Citadel 18

Front facing view of the Black Ember Citadel 18
Capacity18 L
Weight1.3 kg
Dimensions43×29×16 cm
Airline fit95%
Price$240

Key differences between the Pakt Stash Packable Backpack 16L and Black Ember Citadel 18

Both have: backpack straps, sternum strap, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 180 accept both. 1 accept only the Pakt Stash Packable Backpack 16L, and 0 accept only the Black Ember Citadel 18.

Only the Pakt Stash Packable Backpack 16L fits

Great Lakes Airlines.

Pakt Stash Packable Backpack 16L vs. Black Ember Citadel 18: which should you pack?

The Black Ember Citadel 18 carries 2L more than the Pakt Stash Packable Backpack 16L (16L vs. 18L), while the Pakt Stash Packable Backpack 16L is the lighter pack at 0.4kg (vs. 1.3kg). For carry-on flexibility, the Pakt Stash Packable Backpack 16L fits 96% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Black Ember Citadel 18; if you want to travel lighter, the Pakt Stash Packable Backpack 16L is the better call.