MYBAT Book-Style MyJacket Wallet with Card Slot for Nokia Lumia 521 - Retail Packaging - Pink Diamonds Designed for the Nokia 521, (Lumia 521) Provides a full wrap protection for your phone Made of durable synthetic leather with a soft interior lining to protect your screen An additional credit card wallet for your convenience to hold your credit cards and business cards A magnetic clasp secures your bookstyle-case and its contents