Cabin Compact- 55x40x20cm - 38L - 3,9kg
The size Cabin Compact 55 × 40 × 20 cm has become the standard cabin luggage format for many European low-cost and leisure airlines. This format is often required when traveling with a paid cabin bag or priority boarding.
Airlines that commonly allow 55×40×20 cm cabin luggage include:
Ryanair (priority cabin bag)
Vueling
TUI Airways
Volotea
TAP Portugal
Some Iberia / Vueling operated flights
These airlines typically allow a one cabin bag with these maximum dimensions.
The advantage of the 55×40×20 format is that it fits within stricter overhead bin requirements used by many budget airlines. Travelers who frequently fly low-cost carriers often prefer this format because it minimizes the risk of paying additional baggage fees.
Energy-Tec® — The Structural Platform
Developed under 83 Openwater patents, Energy-Tec® defines a modular engineering system — designed to adapt over time and reduce the need to replace entire products.
ULTRA-SILENT ROLL
Designed and patented by Openwater, the precision-engineered Energy-Smooth® wheels deliver ultra-smooth, whisper-quiet performance on any surface.
Energy-Tec® is engineered with standardized fittings and a modular architecture, making repairs simple and efficient — allowing key components to be replaced with precision, extending product life and reducing unnecessary waste.
MODULAR INTERIORS
Flow Scene® is Openwater’s modular interior platform — fully replaceable and exchangeable to extend product life and adapt to changing travel needs. Crafted from recycled, dope-dyed, certified polyester, it combines responsible material innovation with smart organization and precision fit, keeping your luggage fresh, functional, and built for the long run.
Read more about Flow Scene® interiors here to explore available upgrades and modular configurations.
MOTION LOCK
Open Water wheels are engineered with Energy-Stop®, an integrated locking mechanism that easily clicks into place to prevent wheel rotation when stationary — delivering instant stability and controlled release when you’re ready to move.
Energy-Tec® is engineered with standardized fittings and a modular architecture, making repairs simple and efficient — allowing key components to be replaced with precision, extending product life and reducing unnecessary waste.
DOUBLE-COIL ZIPPER
Energy-Lock® combines a reinforced double-coil zipper, precision Unicast pullers, and an integrated TSA-approved lock into one seamless security system — engineered for strength, smooth operation, and confident protection wherever you travel.
3 LAYER PC SHELL
A strong yet lightweight polycarbonate shell designed to handle the demands of travel. The three-layer construction adds flexibility, impact resistance and long-term durability without making the suitcase feel heavy.
5-YEAR WARRANTY
Every Openwater suitcase is covered by a 5-year warranty against defects in materials and workmanship, giving you long-term confidence in your luggage.
MODULAR DESIGN
All components are engineered to be easily repaired, replaced, or serviced when needed. This modular construction extends the lifespan of the product while reducing unnecessary waste. As part of the Energy Tec® platform, every element is designed with accessibility and long-term performance in mind — allowing key parts to be maintained or exchanged without replacing the entire suitcase.