Stubble & Co Packable Backpack 20L vs Waterfly TransformerX Ultralight Packable Backpack 20L
The Stubble & Co Packable Backpack 20L is 20L and 0.3kg0.7lb; the Waterfly TransformerX Ultralight Packable Backpack 20L is 20L and 0.29kg0.6lb. The Waterfly TransformerX Ultralight Packable Backpack 20L is 0.01kg0lb lighter. The Waterfly TransformerX Ultralight Packable Backpack 20L costs $39.010000000000005 less. The Stubble & Co Packable Backpack 20L fits the carry-on limit of 36 of 36 major airlines and the Waterfly TransformerX Ultralight Packable Backpack 20L fits 36; under the seat, 9 and 9 of 26.
| Spec | Stubble & Co Packable Backpack 20L | Waterfly TransformerX Ultralight Packable Backpack 20L |
|---|---|---|
| Price | $65 | $25.99Best |
| Volume | 20L | 20L |
| Weight | 0.3kg0.7lb | 0.29kg0.6lbBest |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 35% | 35% |
| Dimensions | 43×28×12cm17×11×4.5in | 42.9×29×14cm17×11.5×5.5in |
| Laptop | no laptop sleeve | n/a |
| Bottle pockets | 2 | 2 |
| Opening | Zippered main compartment | Zippered main compartment |
| Warranty | 2 years | 10 years |
| Organizer | No | No |
| Shoe compartment | No | No |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | Yes | Yes |
| Rain cover | No | No |
| MOLLE | No | No |
| Hip belt | No | No |
| Sternum strap | No | Yes |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | No | No |
| Camera compartment | No | No |
| Material | Nylon ripstop, Coats reverse coil zips, recycled PET webbing | Tear-resistant, water-resistant nylon, polyester lining |
| Last checked | 2026-09 | 2026-10 |
Where their airline fit differs
Both bags pass and fail the same airline size limits.
Add more bags to this comparison
Specs come from each brand's own product page. Fit uses listed dimensions in any orientation. How we score carry-on fit.