Fully covered with silicone. Waterproof. Easy removal.
Taking care of your health is important. Nova is designed to specifically improve the pelvic floor. As you move, the ball vibrates against the outer shell of Nova causing your pelvic muscles to contract - easy!Material:Silicone
Single Ball Dimension:36 x 135 mm
Double Ball Dimension (big):32 x 170 mm
Double Ball Dimension (small):28 x 162 mm