Unique Sports PPS-6M Highly durable white practice softballs. 12 per pack
Reader Reviews The balls work fine as practice balls for whirlyball. They're a tiny bit smaller than the normal balls, but it doesn't seem to have any impact on their flight or interaction with the scoop. The weight is right on, which is what counts, and they're plenty strong enough to handle the abuse (which is probably less than that when used for their intended purpose). Doubles as extra fun balls to have on hand for the kids to play with.
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