PC - unique rigid texture with soft coating provides ultimate grasp and a pleasant feeling. TPU - soft and flexible absorbs impacts and is raised above the phone screen for surround durability. Independent button technology - easy pressed (chrome plated) buttons system ensures smooth comfortable press on all phone buttons volume and power for great feel and function. INTERNAL SHIELD - Shock-absorbing patterned design reduces the force if you drop the phone. The pictures shown are for illustration purpose only, Actual products will match the title and description.