Kmvazcd Expandable Carry On Luggage Durable Hardside Lightweight Rolling Suitcases with Spinner Wheels TSA Lock

The built-in TSA lock allows airport security to inspect the luggage without damaging the lock, providing convenience and security for travelers. This is particularly useful for travel to and from the United States, where TSA inspections are common.

The suitcase is equipped with four spinner wheels, which can be considered as a double wheel function because each leg has one wheel, providing enhanced stability and smooth rolling. This allows for easy maneuverability in tight spaces and reduces strain on the user's arm and shoulder.

The expandable function increases the suitcase's capacity, providing extra space for packing additional items or souvenirs. This is particularly useful for travelers who tend to accumulate more belongings during their trips or need flexibility in packing.

This suitcase does not have a brake function. A brake function would lock the wheels to prevent the suitcase from rolling away on slopes or in crowded areas. The absence of this function means users need to be more cautious on uneven surfaces.

This suitcase does not have a USB port function. A USB port function would allow users to charge their electronic devices while waiting at the airport or during travel. The absence of this function means users need to rely on other charging methods.

The front open function allows easy access to items stored in the front compartment, such as laptops or tablets, without fully opening the suitcase. This is particularly useful for quickly retrieving documents or electronic devices during security checks or while waiting at the gate.