Nokia Lumia 520 Case, ToPerk Dual Layer Belt Clip Holster Armor Case with Vertical Stand & ToPerk ? Stylus Pen As Bundle Sale - Black/Green The corners are supported by air cushion technology which absorbs and disperses the force through the Silicon. Protruding borders keeps screen elevated when device is placed with screen facing surface. Installation and removal is made easy with material free corners. Made to work the way you like, the rugged holster allows vertical and horizontal positioning of the holster. ToPerk (TM) Logo Stylus pen included