OtterBox 77-31872 'Commuter Series' for Motorola Droid Maxx - Glacier (White Grey) Multi-layer: Sturdy, 2-layer case with asel-adhesive screen protector. 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. Dust Protection: Sealed port covers stop dust, dirt and lint from clogging your jacks and inputs. Screen Protection: Self-adhesive screen protector guards touchscreen against scratches and scrapes.