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This Flange Insert 17mm is a must-have for any nursing mother using S9/S12/S9Pro/S12Pro wearable breast pumps. It is made from BPA-free silicone material, ensuring safety for your little one. The product comes with a flange and is specifically designed for women's use.

The package includes a flange and other components, making it easier for you to use the product. The product dimensions are 1.57 x 1.18 x 1.57 inches, and it weighs 0.49 ounces. It is a great breastfeeding accessory to have, especially if you are always on the go. This product is manufactured in China and has special features that make it unique, such as being BPA-free and wearable.