CHOOSE - YOUR CUP DIAMETER161 & 163165167 & 168169 & 170161 & 163165 Denis Wick 4 Alliance 3 – thin, médium or large lips – beginner to professional 167 & 168 Denis Wick 3 Alliance 2 – thin, médium or large lips – intermediate to professional 169 & 170 Denis Wick 2 Alliance 1 – médium or large lips – intermediate to professional