Combine business with pleasure, and increase your sexual pleasure tenfold while strengthening your pelvic muscles with DUAL BALLS®. Ideal for strengthening your perineum, its ultra-soft silicone texture and slightly oval shape facilitates insertion into the vagina, and its double strings are easy to remove. BENEFITS: – Soft silicone without phthalate – A more ergonomic design: more spaced and thinner between the balls – Dimension: 15.6 x Ø 3.6 cm / 6.14 ” x Ø1.42 ” – Metal ball inside to trigger the contraction of the perineum – Waterproof MORE PRODUCT: – Oval shape – easy to insert – Double strings – easy to remove