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How to pump a spalding neverflat basketball
Warm up the ball.
The neverflat ball won't lose as much air as a normal basketball, but it can still deflate a little in cold weather. If you stored it outside or in a cold garage and it feels flat, dribble it until it warms up.
Take advantage of the warranty for balls under a year old. Spalding basketballs are covered by a limited warranty for one year after purchase.