A Good Helper for New Mothers Our nipple ruler for flange sizing can help you quickly determine the correct and suitable size, and choose the perfect breast pump flange. Using a nipple ruler to find the right flange for your nipple promotes, which can improve milk production and support the long-term nutritional needs. How To Measure The flange size measure for nipples has a scale from 0mm-160mm and is designed with 21 small holes of different diameters. Please align the scale 0 of the nipple flange measuring tool toward the edge of one side of the nipple, then use a mirror or take a photo to observe the size of the nipple, or put the nipple comfortably into the appropriate circle. High-Quality Material The silicone nipple ruler is made of high-quality silicone material, which is soft and elastic, bendable, not easy to break, without any sharp angles, and will not scratch the skin. The soft tape measure is made of soft plastic, small in size, and foldable. The scale on the measuring ruler is clearly visible and easy to read. 1.5M Soft Foot We provide you with a 1.5m soft tape measure. The soft measuring tape can measure your wrist, waist, thigh, and abdomen during your pregnancy, which helps new mothers recover and manage their bodies after giving birth. Our flexible measurement tape can also help you with many home measurements. What You Get You will receive a nipple flange measuring tool and a 1.5m soft ruler. The size of the flange measuring tool breast is 18 x 10cm/7.1 x 4 inches, small in size, and can be easily put into bags and pockets. If you have any questions about our products, you can contact us at any time and we will reply to you as soon as possible.