Skque Anti Scratch Screen Protector for Sony Xperia Advance/Go ST27i Protects against bruises,scraping,abrasion,and finger prints. 99% UV Protection that reduces eye strain caused by Lcd display screens. Super smooth surface enhances the utilization of the touch-screen and stylus,features Silicone adhesive coating. (No glue or residual mark when removed.) Designed Specifically to fit Sony Xperia Advance/Go ST27i