United by Blue (R)evolution 25L Convertible Carryall vs. Salkan The Daypack 20L
Two carry-on travel backpacks, compared spec for spec.
United by Blue (R)evolution 25L Convertible Carryall
| Capacity | 25 L |
| Weight | 0 kg |
| Dimensions | 39×34×13 cm |
| Airline fit | 96% |
| Price | $120 |
Feature by feature
| United by Blue (R)evolution 25L Convertible Carryall | Feature | Salkan The Daypack 20L |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 0 | Opening | 0 |
| front | Passport | back |
| N | Passthrough | N |
| Carry | ||
| hideable | Backpack | Y |
| N | Hip Belt | N |
| removable | Sternum Strap | removable |
| Inside | ||
| 15in | Laptop | 15in |
| 2 | Main Compartments | 4 |
| N | Organizer | N |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2, side | Water Bottle Holder | 2, side |
| Y | Water Resistant | Y |
| Material | |
| Recycled 900D COTNA Polyester with wax finish | |
Salkan The Daypack 20L
| Capacity | 20 L |
| Weight | 0.9 kg |
| Dimensions | 48×29×18 cm |
| Airline fit | 93% |
| Price | $165 |
Key differences between the United by Blue (R)evolution 25L Convertible Carryall and Salkan The Daypack 20L
- Passport pocket: Front on the United by Blue (R)evolution 25L Convertible Carryall; Back on the Salkan The Daypack 20L.
- Backpack straps: Hideable on the United by Blue (R)evolution 25L Convertible Carryall; Yes on the Salkan The Daypack 20L.
- Main compartments: 2 on the United by Blue (R)evolution 25L Convertible Carryall; 4 on the Salkan The Daypack 20L.
Both have: 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. 174 accept both. 7 accept only the United by Blue (R)evolution 25L Convertible Carryall, and 1 accept only the Salkan The Daypack 20L.
Only the United by Blue (R)evolution 25L Convertible Carryall fits
Air Tahiti, American Eagle, easyJet, Gulf Air, Ravn Alaska, VivaColombia, Volaris.
Only the Salkan The Daypack 20L fits
Air Niugini.
United by Blue (R)evolution 25L Convertible Carryall vs. Salkan The Daypack 20L: which should you pack?
The United by Blue (R)evolution 25L Convertible Carryall carries 5L more than the Salkan The Daypack 20L (25L vs. 20L), 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 United by Blue (R)evolution 25L Convertible Carryall; if you want to travel lighter, the Salkan The Daypack 20L is the better call.