Amzer AMZ95797 Double Layer Hybrid Case Cover with Kickstand for Nokia Lumia 521 - 1 Pack - Retail Packaging - Black Features 2 Layers of unique Protection. Layer 1 is a durable silicone cover that is a perfect fit over your Nokia Lumia 521. Layer 2 is an impact resistant hard shell with Kickstand that easily wraps around the silicone layer. All buttons and features are easily accessible for instant operation. The heavy-duty hard case features a kick-stand for convenient placement on a desk or table for media viewing.