OPPOSETHIS Invisible CARRY-ON backpack vs. Hynes Eagle 36L Carry on Backpack with RFID Blocking Pocket Weekender Cabin Bag

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 36L Carry on Backpack with RFID Blocking Pocket Weekender Cabin Bag
Storage
N Compression N
None Expanded Capacity None
1 Opening 1
Y Passport Y
N Passthrough Y
Carry
Y Backpack hideable
N Hip Belt N
Y Sternum Strap Y
Inside
15in Laptop 15in
1 Main Compartments 1
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
N Water Bottle Holder N
Y Water Resistant Y
Material
800x600D lightweight waterproof nylon-polyester blend210D Polyester

Hynes Eagle 36L Carry on Backpack with RFID Blocking Pocket Weekender Cabin Bag

Front facing view of the Hynes Eagle 36L Carry on Backpack with RFID Blocking Pocket Weekender Cabin Bag
Capacity36 L
Weight1.15 kg
Dimensions50×34×20 cm
Airline fit91%
Price$60

Key differences between the OPPOSETHIS Invisible CARRY-ON backpack and Hynes Eagle 36L Carry on Backpack with RFID Blocking Pocket Weekender Cabin Bag

Both have: passport pocket, sternum strap, laptop sleeve, built-in organizer, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 172 accept both. 2 accept only the OPPOSETHIS Invisible CARRY-ON backpack, and 0 accept only the Hynes Eagle 36L Carry on Backpack with RFID Blocking Pocket Weekender Cabin Bag.

Only the OPPOSETHIS Invisible CARRY-ON backpack fits

Regional Express, Virgin Australia.

OPPOSETHIS Invisible CARRY-ON backpack vs. Hynes Eagle 36L Carry on Backpack with RFID Blocking Pocket Weekender Cabin Bag: which should you pack?

The Hynes Eagle 36L Carry on Backpack with RFID Blocking Pocket Weekender Cabin Bag carries 15L more than the OPPOSETHIS Invisible CARRY-ON backpack (21L vs. 36L), while the OPPOSETHIS Invisible CARRY-ON backpack is the lighter pack at 0.85kg (vs. 1.15kg). For carry-on flexibility, the OPPOSETHIS Invisible CARRY-ON backpack fits 92% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Hynes Eagle 36L Carry on Backpack with RFID Blocking Pocket Weekender Cabin Bag; if you want to travel lighter, the OPPOSETHIS Invisible CARRY-ON backpack is the better call.