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Item is returnable, but does not qualify for free returns.
Dunlop ATP Championship Extra Duty tennis balls are officially endorsed by the ATP World Tour. These mid-range tennis balls are ideal for club- and recreational-level tennis players, and the Max Core and Durafelt HD Cloth are durable enough for hard-court play.
Important Note: These tennis balls are designed for use in high altitude locations over 3,000 feet. They will not work as well and seem dead or flat in other locations.
This was my first time buying a case of Dunlop ATP High Altitude for my summer in Flagstaff which is at 7000’. They didn’t hold up much better than Penn balls. I was disappointed, but the price was good.
Because of others balls are out of stock I had to order these high altitude balls from Dunlop. These balls do not bounce high in Southern California. But these balls maintain their pressure even more than 2 weeks after opening. Recommend for high altitude like Denver or Utah.