Jopen Key- Stella II is a set of weighted balls crafted by Jopen. Carefully wrapped in body-safe silicone, this toy even comes with a retrieval loop for easy withdrawal. Aimed at ladies, this toy is discreet enough to be worn all day- or night- long. With these balls, you can also indulge in your Kegel exercises anywhere you want. While they can be used to enhance foreplay during partner sex, this toy can also be enjoyed alone. It is very easy to clean.