OtterBox 77-27787 'Commuter Series' Protective Case for Samsung Galaxy S4 Phone - Lily (Retail Packaging from OtterBox) Materials: Durable silicone inner layer snugly cushions and Sturdy polycarbonate outer layer. Drop Protection: Two materials work together to absorb and deflect shock away from the device. Drop Protection: Two materials work together to absorb and deflect shock away from the device. Dust Protection: Sealed port covers stop dust, dirt and lint from clogging your jacks and inputs.