The American Tourister Soundbox Spinner 55/20 TSA Exp is a hard-shell cabin trolley built for organized, hassle-free carry-on travel. It stands out for its TSA-approved 3-digit lock and expandable capacity for extra packing space. Key attributes: Midnight Navy | Polypropylene | Carry-on compatible | Expandable capacity | Lightweight (2.6 kg) | TSA-approved 3-digit combination lock | Expandable (standard to expanded) | Telescopic double-tube handle | Top carry handles | Internal divider in upper compartment | Garment straps in lower compartment | 4 double spinner wheels | Hard-shell construction | Soundbox collection styling | Front logo | Dimensions & fit: 55 x 40 x 20 cm | 55 x 40 x 23 cm (expanded) | Volume: 35.5 L (standard) / 41 L (expanded) | Weight: 2.6 kg | Hand luggage (cabin) size | Expandable +3 cm (standard → expanded) | Composition & care: 100% Polypropylene