Protective iPhone case designed to work with Apple's MagSafe system. Defender Series Xt is a streamlined version of the classic. Even though it's trimmed down in size, its drop protection has increased. Everything rugged and reliable in phone protection is woven throughout this thin case. Protective iPhone case designed to work with Apple's MagSafe system. Defender Series Xt is a streamlined version of the classic. Even though it's trimmed down in size, its drop protection has increased