Klean kanteen kid kanteen 355ml sport bottle with loop cap brush stainless description its arguably most important for kids to stay hydrated and always drink from a healthy non toxic bottle small and lightweight the 12oz kid kanteen sport is the natural progression for kids who are ready for a more grown up delivery system than the sippy cap the entire cap is bpa free super durable and the new soft silicone spout makes the sport cap 30 safe for new teeth the caps relief valve has