Welcome to our store! Get the Right Nipple Shield Size: The size of the nipple shield is crucial for breastfeeding. An incorrect size will reduce comfort and effectiveness for the mother. This nipple shield sizer helps you quickly determine the correct size for a better breastfeeding experience. Soft and Safe Material: Made of excellent silicone material, odorless, non-toxic, lightweight, and elastic. Unlike fragile plastic with sharp edges, this sizer is soft and pliable without irritating the skin. Accurate and Quick Measurements: Using a scale on the edge or by placing the nipple in a suitable hole, the sizer provides accurate measurements. Includes 21 nipple measurement holes, from 10mm to 30mm, and is easy to read. Size Adjustment: Based on the elasticity of your nipples, you may need to go down a size if your nipples are elastic, or up a size if they are less elastic. If you feel uncomfortable or experience a continuous decrease in volume, you may need to try a different size. Perfect Gift: A must-have gift for new mothers so they can find the right nipple shield and enjoy breastfeeding. Item Type: Nipple Shield Sizer Rectangular Size: Approx. 18 x 10 x 0.3 cm / 7.1 x 3.9 x 0.1 in Round Size: Approx. 11.6 x 11.6 x 0.3 cm / 4.6 x 4.6 x 0.1 in Material: Silicone Includes: 2 x Silicone Measurement Sticks 2 x Measurement Sticks Satisfaction Guaranteed: Customers are our top priority. If you find any problem with the product, please contact the seller immediately. We strive to provide satisfactory customer service after purchase.