Butterfly Flextra rubber is a perfect option for allround players or people that are still perfecting their technique and want to get a lot of balls on the table. This high quality table tennis rubber sheet is easy to control and has exceptional feel due to the soft sponge. Developing players that are interested in generating high spin shots but don’t want to sacrifice consistency should look no further: Flextra checks both of those boxes. With more spin than Sriver, this versatile rubber lends itself to a variety of players.