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The patented production design makes the Smartballs uno the quietest bullets in the world. The ball has an internal ball that moves. Smartballs train the vaginal pelvic floor muscles for more intense pleasure during sex. Diameter ball: 3.6 cm.
Hypoallergenic Material
Water Resistant
Circumference: 3 - 4 cm
ergonomic revised
Body safe Silicone
