Train your pleasure sensitivity with customizable training. The Bfit Classic love balls, complete with four interchangeable floating weights, deliver deeply arousing sensations while training your pelvic floor. Two harnesses with ultra-thin yet super-strong recovery ropes allow for maximum comfort and long-lasting use. Start with the lightest 28g weights and work your way up to the heaviest 38g weights for a total of 76g for a stronger Kegel workout. Materials: Silicone, ABS Plastic, TPE Body Safe: Yes Waterproof: Yes Soap and Water Care Suitable for couples: Yes Combination of water-based lubricants Diameter: 2.9cm, 3.6cm Total length: 7.8cm, 9.3cm