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Amazon.com : Penn Pro Marathon Extra Duty Tennis Balls (1-Case) : Propenn Tennis Balls : Sports & Outdoors
Harrisonburg Tennis Patrons - Official - 20 Pack of Penn Tennis Balls are on sale at Costco! $29.99 (normally $ 38.99). Sale ends 7/5/18. | Facebook
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North Star Camp on X: "Nothing beats the looks you get walking around @ Costco with 1080 tennis balls. #costcorun #theyreformydog https://t.co/771tpmEj7h" / X
![Amazon.com : Penn Pro Marathon Extra Duty Tennis Balls (1-Case) : Propenn Tennis Balls : Sports & Outdoors Amazon.com : Penn Pro Marathon Extra Duty Tennis Balls (1-Case) : Propenn Tennis Balls : Sports & Outdoors](https://m.media-amazon.com/images/I/71OD3khCNDL._AC_UF1000,1000_QL80_.jpg)