Achieve stronger orgasms with the Stella III Graduated Kegel Ball Set from Key. Stella III comes with a silicone triple kegel ball holder that holds three graduated weighted silicone balls at 20g, 30g, and 45g (included) to help strengthen the vaginal wall and PC muscles. 1.75 x 9 / 4.5cm x 22.75 (overall). 1.75 / 4.5cm (large ball diameter). 1.5 / 3.75cm (medium ball diameter). 1.25 / 3.25cm (small ball diameter). One set of graduated weighted balls (20g, 30g and 45g). One triple ball holder with retrieval loop. Wrapped in body safe silicone.