Pro Penn Marathon Extra Duty - Box of 24 Cans

The Pro Penn Marathon Extra Duty is Penn’s longest-lasting tennis ball. Built for serious players who want durability, visibility, and dependable bounce on hard surfaces.

• Encore™ Technology core lasts up to 22% longer.
• High-tenacity LongPlay® felt adds toughness for hard court use.
• Extra-duty Optik felt improves durability and visibility.
• Best for hard courts; maintains consistent play.
• USTA approved and official ball of the USPTA.
• 3 balls per can; 24 cans per case (72 balls).