OMNIKIN® 18" Six Ball Made of 100% nylon (420 denier) cover with doubled nylon seams and includes a latex bladder. Available in 6 colours (Blue, Orange, Red, Green, Purple, Yellow) With these light and durable 6 colour OMNIKIN® balls, an entire class can play different games at the same time. They are ideal for smaller or larger groups. Use your feet, your hands, or your head. Jump, bounce sitting on the ball and much more!