Our Wireless Magnetic Ultra-Slim Power Bank's material is Shell material PVC, size is 2.5" W x 3.8" H. Support customized your logo. Magnetic Power Bank, 10000 mAh Wireless Portable Charger Phone, Wireless Power Bank,The magnetic power bank with built-in powerful magnet only needs to attach the magnetic power bank to the back of the phone to achieve fast wireless charging. Charges through compatible magnetic cases.Wired charging can reach 20W.It can be easily placed in the pocket and carry it at any time to facilitate the plane.Customized design is available.Support custom colors and logos.