Bellroy Venture Sling 9L vs Boundary Supply Stasis Sling
The Bellroy Venture Sling 9L is 9L and 0.4kg0.9lb; the Boundary Supply Stasis Sling is 9L and 0.45kg1lb. The Bellroy Venture Sling 9L is 0.05kg0.1lb lighter. The Bellroy Venture Sling 9L fits the carry-on limit of 36 of 36 major airlines and the Boundary Supply Stasis Sling fits 36; under the seat, 23 and 15 of 26.
| Spec | Bellroy Venture Sling 9L | Boundary Supply Stasis Sling |
|---|---|---|
| Price | n/a | $179 |
| Volume | 9L | 9L |
| Weight | 0.4kg0.9lbBest | 0.45kg1lb |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 88%Best | 58% |
| Dimensions | 24×36×10cm9.5×14×4in | 35.5×20.3×15.2cm14×8×6in |
| Laptop | no laptop sleeve | 13" |
| Opening | zipper opens from each end for ultra wide access | n/a |
| Warranty | 6 years | Lifetime |
| Organizer | Yes | Yes |
| Shoe compartment | No | No |
| Hydration sleeve | No | Yes |
| Frame sheet | No | No |
| Water-resistant | Yes | Yes |
| Rain cover | No | No |
| MOLLE | No | No |
| Hip belt | No | No |
| Sternum strap | No | No |
| Load lifters | No | No |
| Shoulder strap | Removable | No |
| Luggage pass-through | No | No |
| Camera compartment | No | No |
| Material | Baida Nylon (70% recycled nylon, 10% recycled polyester) | Waterproof fabric with YKK AquaGuard zippers |
| Last checked | 2026-10 | 2026-09 |
Where their airline fit differs
| Airline | Limit | Bellroy Venture Sling 9L | Boundary Supply Stasis Sling |
|---|---|---|---|
| Air France | Personal item | Fits | Too big |
| AirAsia | Personal item | Fits | Too big |
| KLM | Personal item | Fits | Too big |
| Lufthansa | Personal item | Fits | Too big |
| SAS | Personal item | Fits | Too big |
| Singapore Airlines | Personal item | Fits | Too big |
| Turkish Airlines | Personal item | Fits | Too big |
| WestJet | Personal item | Fits | Too big |
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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.