Features 1. Reliable, Safe, Soft & Comfortable: Our nipple ruler is made of silicone material, which is flexible, foldable, and returns to its original shape. It is skin-friendly, safe, and suitable for long-term use, providing a comfortable user experience. 2. 1.5M Soft Ruler: We include a 1.5m flexible measuring tape to help monitor body changes during pregnancy and support postpartum body management. After pregnancy, this measuring tool can also be used for various household measurements. 3. Flange Size Measurement: This nipple ruler helps nursing mothers determine the correct and comfortable breast pump flange or shield size to reduce discomfort during pumping. Finding the right fit can make breastfeeding more comfortable and enjoyable. 4. Essential Tool for New Mothers: Made from soft, safe, non-toxic silicone, this 2023 updated nipple ruler offers reliable support for new mothers in selecting the appropriate breast pump accessories. 5. How to Measure: Hold the silicone measuring ruler with the 0 mark aligned at the edge of one side of the nipple. Check the measurement by looking in a mirror or taking a photo. Alternatively, place the nipple into the largest circle it can fit into comfortably without forcing. Specification Material: Silicone Color: Pink Weight: 60 g Package Include: 1x Nipple Ruler