Langly Everyday Studio Backpack 25L vs ROKA London Primrose Baby Changing Bag
The Langly Everyday Studio Backpack 25L is 25L and 1.3kg2.9lb; the ROKA London Primrose Baby Changing Bag is 25.3L and 1.29kg2.8lb. The ROKA London Primrose Baby Changing Bag is 0.01kg0lb lighter. The Langly Everyday Studio Backpack 25L fits the carry-on limit of 36 of 36 major airlines and the ROKA London Primrose Baby Changing Bag fits 36; under the seat, 0 and 7 of 26.
| Spec | Langly Everyday Studio Backpack 25L | ROKA London Primrose Baby Changing Bag |
|---|---|---|
| Price | $199 | n/a |
| Volume | 25L | 25.3L |
| Weight | 1.3kg2.9lb | 1.29kg2.8lbBest |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 0% | 27%Best |
| Dimensions | 48×31×16cm19×12×6.5in | 45×34×16.5cm17.5×13.5×6.5in |
| Laptop | 16" | sleeve, size not published |
| Compartments | 2 | n/a |
| Opening | zippered main compartment plus separate external access laptop compartment | Roll-top, Roll-top closure with magnets and chunky zip |
| Warranty | Lifetime | 2 years |
| Organizer | Yes | Yes |
| 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 | Removable | No |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | Yes | No |
| Camera compartment | No | No |
| Bike-ready | No | No |
| Material | 400D 100% recycled nylon, PU coated, YKK Aquaguard waterproof zippers | Recycled nylon |
| Last checked | 2026-10 | 2026-10 |
Where their airline fit differs
| Airline | Limit | Langly Everyday Studio Backpack 25L | ROKA London Primrose Baby Changing Bag |
|---|---|---|---|
| Allegiant Air | Personal item | Too big | Fits |
| American Airlines | Personal item | Too big | Fits |
| British Airways | Personal item | Too big | Fits |
| easyJet | Personal item | Too big | Fits |
| Frontier Airlines | Personal item | Too big | Fits |
| LATAM Airlines | Personal item | Too big | Fits |
| Volaris | Personal item | Too big | Fits |
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Specs come from each brand's own product page. Fit uses listed dimensions in any orientation. How we score carry-on fit.