---
url: "https://onebag.travel/brand/opposethis/"
title: "OPPOSETHIS Carry-On Backpacks - One Bag Travel"
description: "Compare 5 OPPOSETHIS carry-on travel backpacks from 21L to 25L: weight, dimensions and how many airlines accept each as a carry-on."
source: "https://onebag.travel/brand/opposethis/"
---
1.  [Home](https://onebag.travel/)
2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  OPPOSETHIS

# OPPOSETHIS carry-on backpacks

We track 5 OPPOSETHIS backpacks. They range from 21L to 25L and weigh 0.85–0.95kg. The OPPOSETHIS Ark - 2020 fits the most: the carry-on size limits of 92% of the airlines we have checked. Compare them against [every carry-on backpack we track](https://onebag.travel/carryons/), or check a specific airline in our [carry-on rules by airline](https://onebag.travel/airlinecarryonrules/).

## 5 OPPOSETHIS backpacks in the database

[![OPPOSETHIS Ark - 2020 carry-on backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_360/v1630890827/carryons/OPPOSETHIS_Ark-2020_v6uwzg.webp)](https://onebag.travel/carryon/dqwwr410qw/opposethis-ark-2020/)

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

25L 0.95kg 92% fit

[![OpposeThis Invisible Backpack 3 carry-on backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_360/v1601587752/carryons/Th2_2048x2048_llg2gz.webp)](https://onebag.travel/carryon/aqw7uasy9t/opposethis-invisible-backpack-3/)

[OpposeThis Invisible Backpack 3](https://onebag.travel/carryon/aqw7uasy9t/opposethis-invisible-backpack-3/) [OPPOSETHIS](https://onebag.travel/brand/opposethis/)

23L 0.9kg 90% fit

[![OPPOSETHIS Invisible CARRY-ON backpack carry-on backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_360/v1630648990/carryons/OPPOSETHIS_Invisible_Carry-On_Backpack_asa5kd.webp)](https://onebag.travel/carryon/1jv0r1cham/opposethis-invisible-carry-on-backpack/)

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

21L 0.85kg 92% fit

[![OPPOSETHIS Invisible Rolltop carry-on backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_360/v1630640264/carryons/Opposethis_invisible_rolltop_erse1p.webp)](https://onebag.travel/carryon/eqltmpswmj/opposethis-invisible-rolltop/)

[OPPOSETHIS Invisible Rolltop](https://onebag.travel/carryon/eqltmpswmj/opposethis-invisible-rolltop/) [OPPOSETHIS](https://onebag.travel/brand/opposethis/)

21L 0.9kg 59% fit

[![OPPOSETHIS Invisible Two - 2020 carry-on backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_360/v1630895962/carryons/OPPOSETHIS_Invisible_Two_lboiuf.webp)](https://onebag.travel/carryon/e6sa9fxy4t/opposethis-invisible-two-2020/)

[OPPOSETHIS Invisible Two - 2020](https://onebag.travel/carryon/e6sa9fxy4t/opposethis-invisible-two-2020/) [OPPOSETHIS](https://onebag.travel/brand/opposethis/)

23L 0.9kg 92% fit