Material:Natural AventurineSize: Big size:45x30mm Medium size: 40x25mm Small size:30x20mmUsage: Kegel Exercise, home decor, gift, crystal healingKegel Exercisers are the perfect solution to strengthen your pelvic floor muscles,helping you gain pelvic strength in an easy,effective,and convenient way.Ideal for every woman,it will helps you to prevent incontinence,prepare for a healthy pregnancy,restore pelvic strength after childbirth,and maintain vaginal tightness.Cleaning method:Before first use, boil in the water for 10 -15 minutes on low heat. Please, do not lower cold eggs into boiling water. They will crack. You have to put eggs in warm water and slowly bring it to a boil. Rinse with hot water before each use. Wash thoroughly after each use with water and soap.Benefits of kegel exercisers:1.Prevent and overcome urinary incontinence.2.Prepare and strengthen for a healthy pregnancy.3.Recover and restore pelvic strength after childbirth.4.Enhance sensation for both partners during intimacy.All eggs are equipped with a rope,You can go to a training session with an average egg. Insert the egg and squeeze the muscles, which you will feel as the egg move. This lifts the pelvic floor. Hold for a count of ten, and then relax for a count of ten. Do 10 sets, three times a day. The key to success is doing this exercise daily, regularly. When your pelvic muscle improves and you get the results you want, do the exercise daily, at least once a day. If your pelvic muscle is in good health and you have good muscle tone, to keep these muscles strong simply insert the eggs at least four times each week and wear them while you do your regular activities for 20 minutes.