Nipple measuring ruler: The nipple measuring tool allows mother to accurately find the right breast pump.<br> Multiple Sizes: There are many different sizes on the Nipple ruler with clear fonts, which is convenient for new mother to use.<br> 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.<br> : Made of high quality silicone material, soft and odor free, can be rolled up, no deformation, durable.<br> Fit: The Nipple measuring tool is a must for new mother to find the right pacifier for comfort for both mother and baby.<br> Specification:<br> Material : Silicone<br> Size Chart:<br> 18cmx10cm/7.09inchx3.94inch<br> Package Includes:<br> 1 Nipple Ruler<br> 1 measuring ruler<br> Note:<br> 1.This is not infant toy, please take away from children to avoid eating.<br> 2.Please allow slightly errors due to manual measurement and different monitors.