Geometric design: Add subtle design detail to your phones original beauty. Slim profile: protect your phone without adding unnecessary bulk. Stay connected: Tested to work perfectly with wireless connectivity. More details: Durable, scratch-resistant materials with precision-engineered buttons give a smooth, accurate response. Works perfectly with Tech21 screen protectors for complete protection. Lifetime limited included How IT works: three layers, patented ribs and flex shock (A high-performing impact material unique to Tech21) work together to absorb impact energy drop After drop.