OVERVIEW: Tech21 Evo Check Phone Case for Galaxy J7 Star KEY FEATURES: Tech21 products are the patented FlexShock protection. Tech21's unique FlexShock material surrounds the perimeter of your phone. This spongy polymer protects from drops of up to 12 feet (3.6 meters). FlexShock is a "visco-elastic" material that not only absorbs shock but also repels it. This advanced technology allows Tech21 cases to remain slim (30% thinner and 60% lighter than competitor products offering the same...