Nipple measuring ruler: The nipple measuring tool allows mother to accurately find the right breast pump. Multiple Sizes: There are many different sizes on the Nipple ruler with clear fonts, which is convenient for new mother to use. Easy to Carry: Silicone nipple ruler measures 18cmx10cm/7.09inchx3.94inch,it can be rolled up. We also give a measuring ruler as a gift, which can be carried with you when you go out, which is very convenient. : Made of high quality silicone material, soft and odor free, can be rolled up, no deformation, durable. Fit: The Nipple measuring tool is a must for new mother to find the right pacifier for comfort for both mother and baby. Specification: Material : Silicone Size Chart: 18cmx10cm/7.09inchx3.94inch Package Includes: 1 Nipple Ruler 1 measuring ruler Note: 1.This is not infant toy, please take away from children to avoid eating. 2.Please allow slightly errors due to manual measurement and different monitors. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 224 hours Hope you have a pleasant shopping experience!