Screensaverz HD Clear Screen Protector Shield for Nokia Lumia 521 T-Mobile [6-Pack] + Lifetime Replacement Warranty Compatible with Nokia Lumia 521 T-Mobile HD Clear transparency film for maximum resolution Easy bubble free Installation. Includes microfiber towel, dust removal tape and smoothing card. Made from high quality scratch resistant film which has been pre-cut for your exact device. Leaves no residue when removed. Retain full touch screen functionality and feel