Max Complements Playground Ball comes with flex-matrix grip surface pattern and intrabladder construction. This ball guarantees 8-1/2 in. inflation and features 3 primary colors that are paired with their complementary secondary color. This is the perfect way to bring playground ball color combination into your classroom. Ball with inflation straps is great to complement any 4-square game, including foursquare bases and equalop foursquare. Features Set Of 3. Shape - Round.