Comparison Chart: Weight6.25 lbPenn Championship Extra Duty Tennis Balls (12 cans, 36 balls)0.52 lbWilson Championship Extra-Duty Tennis Balls (1 can, 3 balls)6 lbTB ATP CHAMP EXTRA DUTY 6x3B2 ozAthletic Works Pressurized Tennis Balls, 3 Count2.572 lbAthletic Works Pressureless Tennis Balls (...