In another aspect, the disclosure is directed to a device including a keypad and a flexible light guide comprising a material having a tensile modulus of from about 1 MPa to about 70 MPa at 23??? C., an absorbance in the visible spectrum of less than about 0.0279 cm???1, a refractive index of about 1.35 to about 1.65, and a thickness of from about 50 microns to about 700 microns, the light guide f