Ben-Wa-Balls Black Glass Meduim

Perfect for strengthening pelvic floor muscles and increasing sensitivity, these can also be used for temperature play. Being made from glass the can be heated up or cooled down for different sensations, run under warm water or cool them in ice water. As they are made from  glass these are hypoallergenic and very hygienic.
Outer Diameter 30mm   Weight 31grams