Keep your screen pristine with BoxWave's ClearTouch Crystal, the industry leader in screen protection. Our innovative ClearTouch material provides maximum screen protection while preserving crystal clear optical clarity. Your Montana 680t's screen will also be protected from dust and harmful scratches. Made with a firm, high quality dual-layered film, our ClearTouch Crystal is ENGINEERED WITH PRECISION to fit the exact dimensions of your beloved Montana 680t. The special GLUELESS adhesive will never leave any sticky residues that may damage your screen. Unlike other brands of screen protectors, you can also RE-USE the ClearTouch screen protector by simply washing the unit with warm water and hand soap to renew the adhesive quality. Experience the benefits yourself and see why so many others use the ClearTouch Crystal to ENHANCE their Montana 680t screen! ClearTouch Crystal: INNOVATION in screen protection.