Our Suction Cup Power Bank's material is Shell material plastic, size is 2.5" W x 3.9" H. Support customized your logo. Our charger features anti-slip suction cups to firmly hold your smartphone in place during charging, while also boasting universal compatibility enabled smartphones. charge your devices multiple times over, and with convenient pass-through charging, you'll never run out of power. It's also airlines compliant, meets airline capacity restrictions and is allowed to be carried with you on the plane.Truly cable-free utility,tangle-free operation.Built-in temperature sensing , the temperature exceeds the critical value when charging, the automatic power off protection input charging is not hot, the discharge is more stable and safe.Perfect wireless charger for everyday use suc