This spinner is made from extremely lightweight Curv material with an incredibly strong, shock-absorbing shell design. Samsonite is the only manufacturer of travel products worldwide that utilizes Curv technology. This concept for thermoplastic materials is exceptionally light and offers outstanding impact resistance. The shell shape and the woven layering process are patented by Samsonite. The integrated TSA-approved lock provides additional security when checking in your luggage. Four spinner wheels with airflow make it easy to roll an upright suitcase. A single-tube handle with a push-button lock can be adjusted to different heights. A divider and cross straps ensure the security of your belongings.