Otterbox Defender Case The Defender case features three layers of defense including a durable inner polycarbonate layer and outer silicone layer. The two-piece inner layer is built from high quality polycarbonate that snaps around the device to create a secure protective layer. The outer silicone layer wraps around the inner layer to create a unified defense against oopsies like bumps and drops. Product Features Layers of protection Complete interaction of the devices functions High-quality polycarbonate shell Durable silicone skin