OPPOSETHIS Invisible CARRY-ON backpack vs. Bellroy Classic Backpack Premium Edition

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

OPPOSETHIS Invisible CARRY-ON backpack

Front facing view of the OPPOSETHIS Invisible CARRY-ON backpack
Capacity21 L
Weight0.85 kg
Dimensions47×32×15 cm
Airline fit92%
Price$255

Feature by feature

OPPOSETHIS Invisible CARRY-ON backpackFeatureBellroy Classic Backpack Premium Edition
Storage
N Compression N
None Expanded Capacity None
1 Opening 4
Y Passport Y
N Passthrough N
Carry
Y Backpack Y
N Hip Belt N
Y Sternum Strap N
Inside
15in Laptop 15in
1 Main Compartments 1
Y Organizer N
Outside
× Hard Shell ×
N Rain-fly N
N Water Bottle Holder N
Y Water Resistant Y
Material
800x600D lightweight waterproof nylon-polyester blendCustom-developed leather

Bellroy Classic Backpack Premium Edition

Front facing view of the Bellroy Classic Backpack Premium Edition
Capacity20 L
Weight0.9 kg
Dimensions45×32×18 cm
Airline fit95%
Price$229

Key differences between the OPPOSETHIS Invisible CARRY-ON backpack and Bellroy Classic Backpack Premium Edition

Both have: passport pocket, backpack straps, laptop sleeve, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 174 accept both. 0 accept only the OPPOSETHIS Invisible CARRY-ON backpack, and 5 accept only the Bellroy Classic Backpack Premium Edition.

Only the Bellroy Classic Backpack Premium Edition fits

Air Tahiti, American Eagle, easyJet, Gulf Air, Ravn Alaska.

OPPOSETHIS Invisible CARRY-ON backpack vs. Bellroy Classic Backpack Premium Edition: which should you pack?

The OPPOSETHIS Invisible CARRY-ON backpack carries 1L more than the Bellroy Classic Backpack Premium Edition (21L vs. 20L), while the OPPOSETHIS Invisible CARRY-ON backpack is the lighter pack at 0.85kg (vs. 0.9kg). For carry-on flexibility, the Bellroy Classic Backpack Premium Edition fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the OPPOSETHIS Invisible CARRY-ON backpack; if you want to travel lighter, the OPPOSETHIS Invisible CARRY-ON backpack is the better call.