"Exclusive Swimwear for the following TEN characters, available for unlimited use on all maps in the game:

-John Joe's Swimwear
-Salonbus's Swimwear
-Jintaro's Swimwear
-Madam Chyan's Swimwear
-Uncle Tuu's Swimwear
-Candy's Swimwear
-Wu Mhi's Swimwear
-Daniel's Swimwear
-Baby King's Swimwear
-Big Gamester's Swimwear

*To use the Swimwear Clothes Pack, you must own the 'Richman 4 Fun' (sold separately)."

More details on the official game page of Swimwear Clothes Pack ...