CPSC staff is aware of 39 injury incidents with 29 of those resulting in medical treatment. Those injuries include a broken neck, punctured lung, chest and back injuries and facial injuries. Sportsstuff has received reports of two deaths in the United States and a variety of serious injuries. Sportsstuff has been unable to determine the cause of the incidents. Nevertheless, the company has withdrawn the kite tube from the market and is undertaking this voluntary recall out of an abundance of caution.