Costco Sale – Penn Tennis Balls 60 ct $29.99

*UPDATE* 6/30/19. Time for that yearly sale. Select Costco locations have the Penn Extra-Duty Felt Tennis Balls 60-count on sale for $29.99 (after instant savings), now through July 3, 2020. That is $10 off Costco’s regular price of $39.99. While supplies last. Item #672381. This player pack includes 20 cans with 3 balls per can. Price, participation, inventory and sales dates may vary by location. This product was…