# Which carry-on suitcase offers the largest capacity? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

Which carry-on suitcase offers the largest capacity?

## Products

### Delsey Paris Helium Aero Carry-On
```yaml
product: delsey-paris-helium-aero-carry-on
brand: Delsey Paris
price_gbp: 110.96
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
weight: 8.4 lb
wheels: 4 double spinner wheels
warranty: 10 Year Limited Warranty
dimensions: 22.5 x 15.25 x 10 in
expandable: Yes, main compartment
interior_organization: 50/50 construction with 1 flat pocket, 1 flying pocket, tie-down straps, and 1 zippered divider
```

- **Price:** £110.96 [^1]
- **Summary:** This lightweight polycarbonate carry-on has four double spinner wheels, a TSA combination lock, and an expandable main compartment. Its split interior, zippered divider, pockets, and tie-down straps suit travelers who want durable protection and organized packing.
- **Ideal For:** It suits travelers seeking the largest carry-on capacity because its expandable main compartment and 22.5 x 15.25 x 10 in size provide more packing room than the smaller international carry-on version.

---
## References & Sources
[^1]: Carry On Authority, accessed 2026-09-04. https://carryonauthority.com/collections/delsey-helium-aero-carry-on-luggage