Take on a variety of playground games with the Rhino Poly playground ball set. These balls are designed using a unique process of rotational molding, which allows us to recreate the feel, texture and weight of the best rubber playground balls on the market. This ultimate bladderless playground ball features a seamless design which prevents no shape distortion or air leakage even if it's over inflated. The Rhino Poly playground ball set offers ease of play and is an excellent choice for all age groups. Each set includes 6 balls, 1 of each: Red, Orange, Yellow, Royal Blue, Green and Purple.