1、PELVIC FLOOR STRENGTHENING: Kegel balls help exercise pelvic floor muscles, improve bladder control and support faster postpartum recovery, perfect for women to use. 2、EASY TO USE: Add some lubricant to the Kegel ball. Spread your legs, relax your body, and slowly push the ball towards your body. Recommended to use it for about half an hour a day at the beginning, and you can change to a larger ball after a month. 3、EASY CLEANING: Wash with soap and warm water before and after use, then air dry naturally. Light weight and in small size, easy to store and carry. 4、RECHARGEABLE DESIGN: 4pcs of kegel exercise ball are available, with different weights, offer you more options. Comes with USB cable, easy to change and use. 5、SOFT SILICONE: Kegel ball is made of excellent silicone material, safe and eco friendly, soft and skin friendly, wear resistant and durable for use.