Microsoft Lumia 640 (Cricket / T-Mobile) Case - Impact Resistant Hybrid Dual Layer Armor Defender Protective Case Cover for Microsoft Lumia 640 [Drop Protection / Shock-Absorption] Constructed of high-quality polycarbonate and TPU material with uv coating smooth finish Accessible to all buttons and functions. Precisely cut and fit Shock Resistance Dual Layer Protection: Inner silicone for absorbing shock absorption combined with a hard polycarbonate shell easy installation