4Pcs Flange Inserts for Breast Pump,17mm and 19mm Flange Insert,Replacement Breast Pump Flange for Momcozy S9/S9Pro/S12/S12Pro Medela/Willow

• Improved Pumping Efficiency: This soft flange inserts for breast pump is designed to minimize discomfort while maximizing milk secretion. The comfortable and soft silicone material is designed to stimulate milk secretion and improve the comfort of use.
• Package Contents: You will receive 2 17mm breast pump flanges and 2 19mm flange sizing kit. Heat-resistant temperature is 100-125°C/212-257°F. Please clean before use. Easily meet mothers' breastfeeding needs anytime, anywhere.
• Easy to Maintain: 1. Before using breast pump flange for the first time, please boil for 3 minutes to sterilize; 2. Wash with mild soapy water every day and rinse thoroughly; 3. Avoid using abrasive brushes.
• Enhanced Pumping Effect: Flange insert can reduce pain and increase milk secretion. Use the flange pad that is essential for this breast pump to enhance the pumping effect, reduce pumping time, and maximize milk secretion.
• Perfect Fit: Two sizes soft silicone flange inserts help you find the right size for your nipple, compatible with Medela 24mm, Willow 24mm flange, and Momcozy S9 Pro/S12 Pro Wearable Breast Pump 24mm cup.

Product description "Material: High-quality material Color: Transparent Size: See pictures Packing List: 4pcs flange inserts for breast pump Product Description: Breast pump flanges are made of transparent food-grade silicone, BPA-free, soft to the touch, easy to operate, ensuring the safety of you and your baby. The soft material brings a comfortable fit, promotes efficient milk extraction, and will not cause irritation or discomfort. Flange sizing kit is dishwasher-safe and compatible with most hands-free breast pumping bras, and these BPA-free parts are laboratory safety tested. It is recommended to wash these breast pump flange with warm soapy water after each use and rinse well. 17mm and 19mm flange inserts can be sterilized with steam, boiling water or microwave steam bags. After long-term use, if the parts are deformed or yellowed, please replace them in time. Some mothers experience nipple swelling when pumping. Nipples change over time, so it is important to pay attention to the size of the nipples when pumping. Choosing the right flange insert can make expressing milk more comfortable and efficient. Soft silicone flange inserts are available in 17mm and 19mm sizes, ensuring a secure and gentle fit for more efficient and comfortable expression." Safety Warning no