1. A protective cover for a device having a touch-sensitive screen, the cover comprising: a protective cover formed of a substantially continuous flexible material, the protective cover comprising a mask portion substantially surrounded with a plurality of interconnected curtain portions extending therefrom and forming therebetween a plurality of interconnected lip portions, the mask, curtain and lip portions forming a cavity therebetween with the lip portions surrounding a mouth opening thereinto; the mask portion further comprising a relatively thicker frame portion surrounding a relatively thinner recessed integral window portion formed of a substantially optically transparent flexible membrane; and wherein the substantially continuous flexible material further comprises a substantially optically transparent material; and the cover further comprises a unitary combination of the mask, curtain and lip portions with the curtain portions being contiguous with the mask portions, and different curtain portions being contiguous with corresponding ones of the lip portions.