OPPOSETHIS Ark - 2020 vs. Lander TIMP® Backpack 25L

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

OPPOSETHIS Ark - 2020

Front facing view of the OPPOSETHIS Ark - 2020
Capacity25 L
Weight0.95 kg
Dimensions49×30×17 cm
Airline fit92%
Price$244

Feature by feature

OPPOSETHIS Ark - 2020FeatureLander TIMP® Backpack 25L
Storage
N Compression N
None Expanded Capacity None
1 Opening 1
N Passport N
N Passthrough N
Carry
N Backpack Y
N Hip Belt N
Y Sternum Strap Y
Inside
16in Laptop 17in
1 Main Compartments 1
Y Organizer N
Outside
× Hard Shell ×
N Rain-fly N
1 Water Bottle Holder N
Y Water Resistant Y
Material
800x600D lightweight waterproof nylon-polyester blendWeather Resistant TPU Coated Rip-Stop

Lander TIMP® Backpack 25L

Front facing view of the Lander TIMP® Backpack 25L
Capacity25 L
Weight0 kg
Dimensions53.34×30.48×22.86 cm
Airline fit69%
Price$130

Key differences between the OPPOSETHIS Ark - 2020 and Lander TIMP® Backpack 25L

Both have: 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. 131 accept both. 42 accept only the OPPOSETHIS Ark - 2020, and 0 accept only the Lander TIMP® Backpack 25L.

Only the OPPOSETHIS Ark - 2020 fits

Air Baltic, Air China, Air Malta, Air Niugini, Air Serbia, Air Seychelles, Asiana Airlines, ATA Airlines, Belavia, Blue Air, Bulgaria Air, China Eastern, Emirates Airlines, Enter Air, Etihad Airways, flybe, Icelandair, InselAir, Juneyao Airlines, Liat Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Oman Air, Pakistan International, Qatar Airways, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), TUI, Ukraine International, VIM Airlines (Closed), Volotea, WestJet, Xiamen.

OPPOSETHIS Ark - 2020 vs. Lander TIMP® Backpack 25L: which should you pack?

The OPPOSETHIS Ark - 2020 carries the same capacity as the Lander TIMP® Backpack 25L (25L vs. 25L), and the two are closely matched on weight. For carry-on flexibility, the OPPOSETHIS Ark - 2020 fits 92% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the OPPOSETHIS Ark - 2020; if you want to travel lighter, the OPPOSETHIS Ark - 2020 is the better call.