Poly-PG Gradeball is the perfect combination of playability, durability, economy and color. This ball sized 7 in. - is perfect to provide the feel, weight and play of rubber playground balls, without any downsides. Ball is seamless for durability and has elastic-shape memory for preventing a blow out in case of moderate over-inflation.Features Set of 6 Color - Red, Yellow, Blue, Green, Purple and Orange.