Set of 6"-diameter balls, constructed with a low bounce, low density foam (25kg/m3), one in each of our Spectrum colors. Our softest ball is best suited for Pre-K and elementary aged kids. Certified Latex-Free.; ; We"re so sure that our Gator Skin balls are the highest-quality coated foam balls on the market, we back them up with an unconditional 4-year guarantee! The tactile, non-sting coating makes them easy to grip, and the coating is so durable, they"re virtually tear-proof! No more red marks from the stinging hit of a vinyl- coated or rubber ball, so everyone can play at ease and gain confidence. That means more fun during more activities. Our premium Gator Skin balls are simply your BEST choice.