1.Perfect Pumping Experience : The size of the flange is very important for comfortable and efficient pumping. Some moms experience nipple swelling or not draining well due to the unsuitable flange size. With this flange size measure for nipples, it is easy to choose the correct size and get the perfect pumping experience. | 2.Best Choice for Pumping Moms : New mothers will be confused about how to choose the correct things related to the breast, such as breast pump and breastfeeding bra. Fortunately, this ruler could save Mom’s time and effort. Say goodbye to the unnecessary pain and stress brought by inappropriate pump with our accurate and helpful nipple ruler. | Easier Measuring Method : This nipple ruler has a great easy and simple way to get a good measure.One is to use the clear scales of the ruler edge and observe the size with our phone or mirror. One is to place the nipple in the maximum circle that can comfortably fit. The 21 measuring holes from 10mm to 30mm which is easy to measure and read. | 4.2m Extended Soft Ruler : Momcozy provides a 2m soft ruler which can help you clearly know the body changes during the nursing journey and support body management during postpartum recovery. Besides, this ruler also helps mothers in measuring the baby’s height and healthy growth. It is great to have such a handy tool for many home measurements. | 5.Soft and Bendable : Momcozy nipple ruler is made of food-grade silicone, safe and soft, reliable and bendable. Much better than hard plastic or paper with sharp edges, the ruler is friendly to tender skin, offering the best comfort.