Amzer AMZ94206 Dual Layer Hybrid Case Cover for BlackBerry Bold 9900 and BlackBerry Bold 9930 - 1 Pack - Retail Packaging - Black/Brown Features 2 Layers of unique Protection. Layer 1 is a durable silicone cover that is a perfect fit over your BlackBerry Bold 9900 /9930. Layer 2 is an impact resistant hard shell that easily wraps around the silicone layer. All buttons and features are easily accessible for instant operation. Features a rugged design for advanced protection.