Tested to exceed U. S. Mil-spec drop tests, Dux plus Duo withstands the rigors of the classroom, work, and everyday use. Designed with educators' and it professionals' input, The case features our patented magnetic closure, A super protective polycarbonate and rubberized bracket, transparent back for asset tagging or user customization, and integrated storage that can accommodate either the Apple Pencil or Logitech crayon. In addition, this rugged case also boasts a durable and water resistant polyurethane cover to ward off occasional drips or spills, as well as an instant on/off cover (wakes up/turns off the device) to save and maximize battery life.