13ft | 4m Drop Protection Crystal Palace has been tested and proven to protect your phone from drops up to 13 feet (4 meters). Strengthened with Graphene Crystal Palace has been infused with Graphene, the strongest material on earth. Rounded Edge Design Rounded edges provide a confident, comfortable grip. Slimmer Design The same protection you expect, but now even thinner for the most comfortable feel in-hand. Key Features Crystal-clear, ultra-slim case protects and shows off your phone 4m Drop Protection Infused with Graphene, the strongest material on earth Rounded edges provide a confident, comfortable grip Slimmer Design