"Empower your responsiveness to intimate pleasures with the discreet and feminine K-BALLS No.10. The undulating two-part body coupled with the fully enclosed weighted balls makes this design ideal for women who wish to strengthen pelvic floor muscles and create gentle vaginal stimulations. Whether you are a new or experienced user, these kegel balls are a subtle but extremely pleasurable addition to the bedroom. Silicone string makes removal easy. Can be used with any water-based lubricant. "