[Checked-Medium 24 Inch] The 24-inch suitcase meets the functions of boarding, travel, and daily storage. Size:17.3*10*26.3inches [USB charging port] There is a built-in USB type charging port, you can put the power bank into the luggage and connect to the built-in interface, so that you can charge at any time without opening the luggage [TSA Customs Lock] TSA Customs zipper lock, sturdy and reliable, gives you more peace of mind. When going through customs, you don't have to worry about the box lock being damaged due to brute force detection. (TSA locks do not come with keys) [Stronger material] The golden ratio composite material of ABS+PC is approved to have the coexistence of firmness and flexabilty [Reliable Support] We provide a two-year support, you can always contact our after-sales team, we will actively solve the problem for you to your satisfaction