Pair of Schwetty Balls – The Hottest Balls In Golf! You get one dozen Schwetty Balls packaged in six 2-ball sleeves. These make great gifts for any golf lover at bachelor parties, birthdays or holidays. Conforms with U.S.G.A and R & A Rules, Cut proof Du-Pont Lithium Surlyn Cover, Titanium Mix Core, Dimple Count: 397, Trajectory: Mid-High