Lacrosse ball
（重定向自Lacrosse Balls）
A lacrosse ball is the solid rubber ball that is used, in conjunction with a lacrosse stick, to play the sport of lacrosse. It is typically white, but is also produced in a wide range of colors.
The old NCAA specifications are:
The new NCAA year 2000 specs states: "Section 17. The ball shall be white, yellow or orange solid rubber between 7 3/4 and 8 inches in circumference, between 5 and 5 1/2 ounces in weight and when dropped from a height of 72 inches upon concrete floor, shall bounce 43 to 51 inches at a temperature of 65 degrees fahrenheit."