---
url: "https://onebag.travel/compare/k4334kffo5/united-by-blue-revolution-25l-convertible-carryall/v8w05nc01o/topo-designs-global-travel-bag-30l/"
title: "United by Blue (R)evolution 25L Convertible Carryall vs Topo Designs Global Travel Bag 30L"
description: "United by Blue (R)evolution 25L Convertible Carryall vs Topo Designs Global Travel Bag 30L: capacity, weight, dimensions and how many airlines accept each as…"
source: "https://onebag.travel/compare/k4334kffo5/united-by-blue-revolution-25l-convertible-carryall/v8w05nc01o/topo-designs-global-travel-bag-30l/"
---
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3.  United by Blue (R)evolution 25L Convertible Carryall vs. Topo Designs Global Travel Bag 30L

# United by Blue (R)evolution 25L Convertible Carryall vs. Topo Designs Global Travel Bag 30L

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

## [United by Blue (R)evolution 25L Convertible Carryall](https://onebag.travel/carryon/k4334kffo5/united-by-blue-revolution-25l-convertible-carryall/)

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

<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 kg</td></tr><tr><td>Dimensions</td><td>39×34×13 cm</td></tr><tr><td>Airline fit</td><td>96%</td></tr><tr><td>Price</td><td>$120</td></tr></tbody></table>

## Feature by feature

| United by Blue (R)evolution 25L Convertible Carryall | Feature | Topo Designs Global Travel Bag 30L |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | 35L |
| 0 | Opening | 1 |
| front | Passport | front |
| N | Passthrough | Y |
| Carry |
| hideable | Backpack | hideable |
| N | Hip Belt | removable |
| removable | Sternum Strap | removable |
| Inside |
| 15in | Laptop | 15in |
| 2 | Main Compartments | 3 |
| N | Organizer | N |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2, side | Water Bottle Holder | 2, side |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td></td><td>1000D recycled nylon,</td></tr></tbody></table>

## [Topo Designs Global Travel Bag 30L](https://onebag.travel/carryon/v8w05nc01o/topo-designs-global-travel-bag-30l/)

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

![Front facing view of the Topo Designs Global Travel Bag 30L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990450/carryons/topo-designs-global-travel-bag-30l-v8w05nc01o.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>30 L</td></tr><tr><td>Weight</td><td>1.2 kg</td></tr><tr><td>Dimensions</td><td>51×32×18 cm</td></tr><tr><td>Airline fit</td><td>89%</td></tr><tr><td>Price</td><td>$200</td></tr></tbody></table>

## Key differences between the United by Blue (R)evolution 25L Convertible Carryall and Topo Designs Global Travel Bag 30L

-   **Opening:** Other on the United by Blue (R)evolution 25L Convertible Carryall; Clamshell on the Topo Designs Global Travel Bag 30L.
-   **Luggage passthrough:** No on the United by Blue (R)evolution 25L Convertible Carryall; Yes on the Topo Designs Global Travel Bag 30L.
-   **Hip belt:** No on the United by Blue (R)evolution 25L Convertible Carryall; Removable on the Topo Designs Global Travel Bag 30L.
-   **Main compartments:** 2 on the United by Blue (R)evolution 25L Convertible Carryall; 3 on the Topo Designs Global Travel Bag 30L.

Both have: passport pocket, backpack straps, sternum strap, laptop sleeve, water bottle pockets, water resistant.

## Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 169 accept both. 12 accept only the United by Blue (R)evolution 25L Convertible Carryall, and 0 accept only the Topo Designs Global Travel Bag 30L.

### Only the United by Blue (R)evolution 25L Convertible Carryall fits

Air Tahiti, American Eagle, Belavia, easyJet, Etihad Airways, Gulf Air, Qatar Airways, Ravn Alaska, Regional Express, Virgin Australia, VivaColombia, Volaris.

## United by Blue (R)evolution 25L Convertible Carryall vs. Topo Designs Global Travel Bag 30L: which should you pack?

The **Topo Designs Global Travel Bag 30L** carries 5L more than the **United by Blue (R)evolution 25L Convertible Carryall** (25L vs. 30L), and the two are closely matched on weight. For carry-on flexibility, the **United by Blue (R)evolution 25L Convertible Carryall** fits 96% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Topo Designs Global Travel Bag 30L; if you want to travel lighter, the Topo Designs Global Travel Bag 30L is the better call.