Ball
-most important thing for training is the ball. For practicing, one can play with a rubberball. For professional competitions, one needs to use an inflated ball made of leather. Official size of a basketball is 29.5 to 30 inches in circumference for men's game and 28.5 inches in circumference for women's game. It should weigh 18 to 22 ounces. When bounced off 6 feet from the floor, a well inflated ball should bounce 49 to 54 inches in height.