Single can (3 balls) * Extra-duty felt is ideal for hard court play * Natural rubber offers a consistent feel and reduced shock * Interlocked wool fiber for longer wear; deep elastic seams prevent cracking * USTA/ITF approved for competitive play; official ball of USTA League Tennis Penn Championship is America’s #1 Selling Tennis Ball and represents the standard by which all other tennis balls are measured. It features a controlled fiber release for consistent nap, natural rubber for consistent feel and reduced shock, and interlocked wool fiber for longer wear. Penn Championship is the Official Ball of USTA Leagues. It is USTA and ITF approved and is available in extra-duty felt, regular duty felt, or extra-duty high altitude felt. The Championship Line provides quality play every time you hit the court. Features Extra-duty felt is ideal for hard court play Natural rubber offers a consistent feel and reduced shock Interlocked wool fiber for longer wear; deep elastic seams prevent cracking USTA/ITF approved for competitive play; official ball of USTA League Tennis
this review is not related to the sport of tennis --- these were the cheapest tennis balls on amazon and i wanted to add tennis balls to our dryer when we do loads of sheets and towels.these have dramatically reduced drying time and do not stain or damage clothing or linens in any way. i am so glad i made this tiny investment because we are going to use so much less energy over time with these loaded into the dryer. i use two at a time for loads of towels and fitted sheets, which always seem to tangle up an..
$2.47 with Free Prime shipping when placed as an add on item. That makes them about the same, or even a little less than I can find them at Dick's, Sports Authority, and other stores. And I don't have to go shopping at the terror that is the mall to get to Dick's.I like the Penn Extra Duty. They are ideal for hard courts and keep their bounce a nice long while. Great for practice or training. The only balls I like as much, maybe slightly better are the Wilson US Open Extra Duty. But they aren't found ..