Purple Rubberized Hard Case Cover for AT&T Nokia Lumia 900 Provides protection by preventing scratches and its perfect fit make the Nokia Lumia 900 looks as slim as if it has nothing on at all! Hard plastic reinforces the edges, sides and back of the Nokia Lumia 900 to prolong the life of this case and your phone. Has precise cut-outs to allow full access to all features the Nokia Lumia 900 has to offer.