Item Type: Massage & Relaxation Application: Body Material: natural green jade Size: 45*30MM,40*25mm,30*20mm color: green Use:You can use unwaxed dental floss as your string to easily remove them. First you need to choose the large egg, because despite the fact that all women are different, and the physiological structure they also have different, much easier to hold an egg without a strong muscle tension and fatigue. And after that, as the muscles will train, and retain a large egg will be simple, you can go to a training session with an average egg, and then with the smallest. 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. Cleanning 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 Note:because it is made by natural stone,the product color you get may be a bit different from the picture.thank you for your understanding.