... switching on/off button, customized logo are avalable through silk screen/laser, carve ifFlat Optical Fiber, webbing color and ... Available:Button Cell, Lithium CR2025,2pcsPrinting Your Logo Solution: Silk-screen,thermal transfer on the lanyard, or put sticker ... destroyed.Applied to: Trading show, Office, Brand, Cellphone, U flasher, it's the best way to show your company or aspromotion gifts. ...