Specification: Material: 100% natural quartz Item type: Jade Eggs Set Size: (L)45x30mm, (M)40x25mm, (S)30x20mm Net weigh: 110-120g Notes: - Manual measuring, please allow 1 ~ 3 cm error, thank you. - This product is a natural jade carved by people and each piece of color, shape, texture, thickness is different. - Please understand. Please do not wash with boiling hot water. - It's better clean the Eggs with warm water and soap for thorough sterilization before first use, then after every using wash them with soap and water, and wrap them in a soft cloth. HOW TO USE: 1) 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. 2) 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. 3) 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 and regularly. 4) When your pelvic muscle improves and you get the results you want, do the exercise daily, at least once a day. 5) 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. Package Include: 3 x Eggs Balls (L/M/S Each one With cord) 1 x Cloth Bag