{"product_id":"pro-penn-marathons-extra-duty","title":"Pro Penn Marathons Extra Duty Tennis Balls","description":"The Pro Penn Marathon Extra Duty High Altitude Tennis Ball is Penn’s longest lasting tennis ball featuring exclusive Encore Technology for a 22% longer lasting core and high tenacity LongPlay Felt for extended play. Pro Penn Marathon is the official ball of PTR because of its guaranteed longevity, durability and visibility.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\n\u003cul\u003e\n\u003cli\u003eUSTA approved\u003c\/li\u003e\n\u003cli\u003eOfficial Ball of the USPTA for over 37 years\u003c\/li\u003e\n\u003cli\u003eCan of Tennis Balls - 3 balls per can\u003c\/li\u003e\n\u003cli\u003eExtra-Duty High Altitude for higher altitudes\u003c\/li\u003e\n\u003cli\u003eTop of the line core and felt technologies\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Penn","offers":[{"title":"One \/ One Size","offer_id":40086018949192,"sku":"2050008164295","price":5.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/7203\/files\/100158867_1.webp?v=1711667677","url":"https:\/\/www.sportsbasement.com\/products\/pro-penn-marathons-extra-duty","provider":"Sports Basement","version":"1.0","type":"link"}