Flange Inserts 10pc, 13-21mm For Medela/momcozy/spectra/youha/ximyra S9/s12. Enhance Your Breastfeeding Experience with These Versatile Breast Pump Flange Inserts. Designed to Provide a Comfortable and Efficient Milk Expression Process, These Inserts Are Crafted from Food-grade Silica Gel, Ensuring They're Odor-free and Gentle on Sensitive Skin. Compatible with Traditional, Plug-in, and Wearable Electric Breast Pumps, They Offer Broad Adaptability to Suit Your Needs. Available in Five Sizes (13mm, 15mm, 17mm, 19mm, 21mm), These Inserts Cater to Mothers with Varying Needs, Offering a Perfect Fit to Prevent Nipple Trauma or Irritation. Features: - Material: Food-grade Silica Gel, Odor-free, Skin-friendly. - Compatibility: Suitable for Traditional, Plug-in, and Wearable Electric Breast Pumps. - Sizes: 5 Options (13mm, 15mm, 17mm, 19mm, 21mm). - Practical Design: Ideal for Mothers with Small Nipples Using Larger Breast Shields. - Comfort: Enhances Comfort and Efficiency in Milk Expression. - Color: White and Transparent - Product Weight: 15g / 0.52oz Package Includes: - 4 Flange Inserts (Note: Milk Pumps Shown in Images Are Not Included.).