OPPOSETHIS Invisible CARRY-ON backpack vs. Hynes Eagle 28L Flight Approved Carry On Backpack

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 backpackFeatureHynes Eagle 28L Flight Approved Carry On Backpack
Storage
N Compression N
None Expanded Capacity None
1 Opening 1
Y Passport
N Passthrough N
Carry
Y Backpack Y
N Hip Belt N
Y Sternum Strap Y
Inside
15in Laptop 14in
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 blendWater repellent polyester

Hynes Eagle 28L Flight Approved Carry On Backpack

Front facing view of the Hynes Eagle 28L Flight Approved Carry On Backpack
Capacity28 L
Weight1.18 kg
Dimensions48×30×19 cm
Airline fit93%
Price$45

Key differences between the OPPOSETHIS Invisible CARRY-ON backpack and Hynes Eagle 28L Flight Approved Carry On Backpack

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. 174 accept both. 0 accept only the OPPOSETHIS Invisible CARRY-ON backpack, and 1 accept only the Hynes Eagle 28L Flight Approved Carry On Backpack.

Only the Hynes Eagle 28L Flight Approved Carry On Backpack fits

Air Niugini.

OPPOSETHIS Invisible CARRY-ON backpack vs. Hynes Eagle 28L Flight Approved Carry On Backpack: which should you pack?

The Hynes Eagle 28L Flight Approved Carry On Backpack carries 7L more than the OPPOSETHIS Invisible CARRY-ON backpack (21L vs. 28L), while the OPPOSETHIS Invisible CARRY-ON backpack is the lighter pack at 0.85kg (vs. 1.18kg). For carry-on flexibility, the Hynes Eagle 28L Flight Approved Carry On Backpack fits 93% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Hynes Eagle 28L Flight Approved Carry On Backpack; if you want to travel lighter, the OPPOSETHIS Invisible CARRY-ON backpack is the better call.