Exercise and tone your pelvic floor muscles in complete comfort. 2 pack set, 1 single ball and one double ball to fine tune your exercise routine. Known to help improve bladder control, helps make childbirth and recovery easier, strengthen and tone muscle wall, enhance elasticity and overall better pelvic health. The Shibari Pleasure Kegel Balls are perfect for beginners and experts alike. Made out of high grade silicone, these balls have a ridged designed for heightened stimulation and sensation. - High Grade Silicone - The sleek ridged exterior of these Kegel exercisers are made from high grade silicone that is Phthalate Free, Latex Free, Hypoallergenic, BPA Free, and Dioxin Free. - 100% Waterproof and designed with comfort in mind. - Safe for use with water based lubricants - Velvety soft - Designed for comfort, and simple to remove - Variable, weighted set responds to natural movement, strengthening and toning as you move your body.