OPPOSETHIS Ark - 2020 vs. Lander TIMP® Backpack 20L

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 20L
Storage
N Compression N
None Expanded Capacity None
1 Opening 1
N Passport N
N Passthrough N
Carry
N Backpack N
N Hip Belt N
Y Sternum Strap Y
Inside
16in Laptop 15in
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 20L

Front facing view of the Lander TIMP® Backpack 20L
Capacity20 L
Weight0 kg
Dimensions48.26×30.48×20.32 cm
Airline fit73%
Price$75

Key differences between the OPPOSETHIS Ark - 2020 and Lander TIMP® Backpack 20L

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. 138 accept both. 35 accept only the OPPOSETHIS Ark - 2020, and 0 accept only the Lander TIMP® Backpack 20L.

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, flybe, Icelandair, InselAir, Juneyao Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Royal Brunei Airlines, Ryanair, S7, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), TUI, Ukraine International, VIM Airlines (Closed), Volotea, Xiamen.

OPPOSETHIS Ark - 2020 vs. Lander TIMP® Backpack 20L: which should you pack?

The OPPOSETHIS Ark - 2020 carries 5L more than the Lander TIMP® Backpack 20L (25L vs. 20L), 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.