HTC One A9 Case, INNOVAA Anti-Slip Shockproof Soft Silicone Dual-Layer Durable Armor Case W/ Free Screen Protector & Touch Screen Stylus Pen - Grey/Light Purple The dual layer design is made from polycarbonate and a soft silicone. The polycarbonate is designed to absorb any impact and the soft silicone dissipates left over shock Precision Cut-Outs allow you to enjoy every feature and ports your phone has to offer The protruding border lifts your phone and prevents the screen from scratching when faced down. Slim fit design to give you the full protection for your phone while staying slim Air Space Cushion Technology is an invisible third layer protection, which uses the air inside the phone case to disperse all shock from impact Do Not Compatible with ZMax