A golf ball is a ball designed to be used in the game of golf. Under the Rules of Golf, a golf ball weighs no more than 1.62 oz (45.93 grams), has a diameter not less than 1.68 in (42.67 mm), and performs within specified velocity, distance, and symmetry limits. Like golf clubs, golf balls are subject to testing and approval by the Royal and
Ancient Golf Club of St Andrews and the United States Golf Association, and those that do not conform with regulations may not be used in competitions (Rule 5-1 — also see rules of golf) Wooden balls were the first used golf balls until the early 17th century, when the featherie ball was invented. This added a new and exciting feature to the game of golf. A featherie is a hand sewn leather pouch stuffed with chicken or goose feathers and coated with paint. The feathers in the ball were enough to fill a top hat. They were boiled and put in the cowhide bag. As it cooled, the feathers would expand and the hide would shrink, making a compact ball. If there were openings in the cowhide stitching's were used to close them up. Due to its superior flight characteristics, the featherie remained the standard ball for more than two centuries. However, an