EasyToys Ben Wa Balls are made of phthalate-free chrome plated gold steel with a diameter of 25 mm and can be used for both pelvic floor training and sexual moments. The balls weigh 66 grams individually, which makes them perfect for training your pelvic floor while also having a tantalising and stimulating effect. The balls are suitable for those who are experienced in pelvic floor training.InformationBrand: EasyToysType: Ben Wa BallsColour: GoldMaterial: Chromium barWidth: 25mmWeight: 129g