I got the balls for free from Butterfly. When you open the box you immediately notice the strange colour the balls have. It is not as white as other balls are but more "dirty" and transparent. However, this does not affect you while playing I think.
For me the balls are very good for training purposes. During four hard training sessions à two hours each one ball broke - I think that is a good result. Moreover, it is really fun to play with the balls. No unpredictable trajectory, consistent jump height and you have a good feeling when hitting the ball (they don't feel as light as other, bad polyballs).
Whereas some people here speak in high terms of the balls' sound, I think they sound rather cheap and you easily hear that these aren't celluloid balls. But again, this does not affect your game in any way.
Highly recommend those balls for daily training purposes, overall good ball from Butterfly, 4 stars.
For me the balls are very good for training purposes. During four hard training sessions à two hours each one ball broke - I think that is a good result. Moreover, it is really fun to play with the balls. No unpredictable trajectory, consistent jump height and you have a good feeling when hitting the ball (they don't feel as light as other, bad polyballs).
Whereas some people here speak in high terms of the balls' sound, I think they sound rather cheap and you easily hear that these aren't celluloid balls. But again, this does not affect your game in any way.
Highly recommend those balls for daily training purposes, overall good ball from Butterfly, 4 stars.