---
url: "https://onebag.travel/compare/1jv0r1cham/opposethis-invisible-carry-on-backpack/dqwwr410qw/opposethis-ark-2020/"
title: "OPPOSETHIS Invisible CARRY-ON backpack vs OPPOSETHIS Ark - 2020"
description: "OPPOSETHIS Invisible CARRY-ON backpack vs OPPOSETHIS Ark - 2020: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/1jv0r1cham/opposethis-invisible-carry-on-backpack/dqwwr410qw/opposethis-ark-2020/"
---
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2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  OPPOSETHIS Invisible CARRY-ON backpack vs. OPPOSETHIS Ark - 2020

# OPPOSETHIS Invisible CARRY-ON backpack vs. OPPOSETHIS Ark - 2020

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

## [OPPOSETHIS Invisible CARRY-ON backpack](https://onebag.travel/carryon/1jv0r1cham/opposethis-invisible-carry-on-backpack/)

by [OPPOSETHIS](https://onebag.travel/carryons/?brands=OPPOSETHIS)

![Front facing view of the OPPOSETHIS Invisible CARRY-ON backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1630648990/carryons/OPPOSETHIS_Invisible_Carry-On_Backpack_asa5kd.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>21 L</td></tr><tr><td>Weight</td><td>0.85 kg</td></tr><tr><td>Dimensions</td><td>47×32×15 cm</td></tr><tr><td>Airline fit</td><td>92%</td></tr><tr><td>Price</td><td>$255</td></tr></tbody></table>

## Feature by feature

| OPPOSETHIS Invisible CARRY-ON backpack | Feature | OPPOSETHIS Ark - 2020 |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| Y | Passport | N |
| N | Passthrough | N |
| Carry |
| Y | Backpack | N |
| N | Hip Belt | N |
| Y | Sternum Strap | Y |
| Inside |
| 15in | Laptop | 16in |
| 1 | Main Compartments | 1 |
| Y | Organizer | Y |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | 1 |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>800x600D lightweight waterproof nylon-polyester blend</td><td>800x600D lightweight waterproof nylon-polyester blend</td></tr></tbody></table>

## [OPPOSETHIS Ark - 2020](https://onebag.travel/carryon/dqwwr410qw/opposethis-ark-2020/)

by [OPPOSETHIS](https://onebag.travel/carryons/?brands=OPPOSETHIS)

![Front facing view of the OPPOSETHIS Ark - 2020](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1630890827/carryons/OPPOSETHIS_Ark-2020_v6uwzg.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>25 L</td></tr><tr><td>Weight</td><td>0.95 kg</td></tr><tr><td>Dimensions</td><td>49×30×17 cm</td></tr><tr><td>Airline fit</td><td>92%</td></tr><tr><td>Price</td><td>$244</td></tr></tbody></table>

## Key differences between the OPPOSETHIS Invisible CARRY-ON backpack and OPPOSETHIS Ark - 2020

-   **Passport pocket:** Yes on the OPPOSETHIS Invisible CARRY-ON backpack; No on the OPPOSETHIS Ark - 2020.
-   **Backpack straps:** Yes on the OPPOSETHIS Invisible CARRY-ON backpack; No on the OPPOSETHIS Ark - 2020.
-   **Laptop sleeve:** 15in on the OPPOSETHIS Invisible CARRY-ON backpack; 16in on the OPPOSETHIS Ark - 2020.
-   **Water bottle pockets:** No on the OPPOSETHIS Invisible CARRY-ON backpack; 1 on the OPPOSETHIS Ark - 2020.

Both have: sternum strap, 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 1 accept only the OPPOSETHIS Ark - 2020.

### Only the OPPOSETHIS Invisible CARRY-ON backpack fits

Regional Express, Virgin Australia.

### Only the OPPOSETHIS Ark - 2020 fits

Air Niugini.

## OPPOSETHIS Invisible CARRY-ON backpack vs. OPPOSETHIS Ark - 2020: which should you pack?

The **OPPOSETHIS Ark - 2020** carries 4L more than the **OPPOSETHIS Invisible CARRY-ON backpack** (21L vs. 25L), while the **OPPOSETHIS Invisible CARRY-ON backpack** is the lighter pack at 0.85kg (vs. 0.95kg). 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 OPPOSETHIS Ark - 2020; if you want to travel lighter, the OPPOSETHIS Invisible CARRY-ON backpack is the better call.