Durable & Waterproof：Our family suitcase set features sturdy watertight ABS external, which is easy to clean and long-term use. It can carry a large weight while having four swivel wheels that can move effortlessly in any direction. Built-in USB Port：All the sizes of luggage set feature a built-in USB port, Type C port, provide quick connection to your portable electronic device for a quick charge.Not worried about the phone is out of power any more. Multifunctional Holder Design：Especially designed water cup holder, phone holder located in top of luggage, and the handle hook, all is to provide a comfortable and convenient travel experience. Full-Capacity Design Inside Suitcase: Large storage space and fully lined interior with zippered compartment for this hard side luggage sets to keep your items well organized. Low profile top and side handle provide for ease in handling. Modern Appearance：The stylish and smooth vertical stripe design of the rolling luggage makes it more resistant to pressure and wear and brings a good mood to your journey. It includes four molded side feet, they allow the luggage to remain upright even when standing on its side. The Luggage Sets Made of lightweight and durable material upgraded with strong resistance to stress, high and low temperatures and impact. Built-in reinforced corner guards provide extra protection and minimize damage. Large storage space and fully lined interior with zippered compartment to keep your items organized. Low profile top and side handle provide for ease in handling. TSA Lock Set Password Instructions: 1. The initial password of lock is 0-0-0. 2.Press the reset hole with the tip of the pen. 3.Set the new 3-digit code while pressing. 4.Now you can open the lock with the new password.