--- product_id: 722482042 title: "Momcozy Flange Insert 21mm Compatible with 24mm Flange/Shield of Most Pumps, Breast Pump Replacement Accessories Insert, 4pcs 21mm" brand: "momcozy" price: "S$56" currency: SGD in_stock: true category: "Momcozy" url: https://www.desertcart.sg/products/722482042-momcozy-flange-insert-21mm-compatible-with-24mm-flange-shield-most store_origin: SG region: Singapore --- # BPA-free food-grade silicone Boil-safe up to 100°C Lightweight 10g per piece Momcozy Flange Insert 21mm Compatible with 24mm Flange/Shield of Most Pumps, Breast Pump Replacement Accessories Insert, 4pcs 21mm **Brand:** momcozy **Price:** S$56 **Availability:** ✅ In Stock ## Summary > 👩‍🍼 Pump smarter, not harder — comfort and efficiency in every drop! ## Quick Answers - **What is this?** Momcozy Flange Insert 21mm Compatible with 24mm Flange/Shield of Most Pumps, Breast Pump Replacement Accessories Insert, 4pcs 21mm by momcozy - **How much does it cost?** S$56 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/722482042-momcozy-flange-insert-21mm-compatible-with-24mm-flange-shield-most) ## Best For - momcozy enthusiasts ## Why This Product - Trusted momcozy brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Effortless Cleaning:** Dishwasher safe and can be sterilized with boiling water or steam for ultimate hygiene. - • **Safe & Hygienic Material:** Made from BPA-free, food-grade silicone ensuring your baby’s milk stays pure and safe. - • **Perfect Fit, Maximum Comfort:** 19mm flange inserts designed to fit 24mm shields, reducing nipple discomfort and swelling during pumping. - • **Boost Your Pumping Efficiency:** Custom flange sizing improves milk flow and comfort, helping you get the most out of every session. - • **Trusted by Moms, Made for Moms:** Momcozy’s commitment to quality and support means you’re never pumping alone. ## Overview Momcozy 19mm flange inserts are BPA-free, lightweight silicone accessories compatible with 24mm breast pump shields. Designed to enhance comfort and pumping efficiency by providing a perfect fit, these inserts are easy to clean, sterilize, and trusted by thousands of moms for safe, hassle-free breastfeeding support. ## Description Why Choose momcozy Wearable Breast Pump Flange Inserts? momcozy Flange Inserts 15/17/19/21mm are designed for use with mothers, compatible with 24mm flange/shield of most breast pumps It can sometimes be difficult to know what flange insert you are. Your flange size has nothing to do with your breast size, you can use the photo guide on the link to measure the best flange size for you, which can help you improve the efficiency and comfort of breastfeeding. Some mothers experience swelling of the nipple when expressing, so it is important to observe the appearance of the nipple when pumping. The size of the flange is important for comfortable and efficient pumping. Your nipples should not rub or feel squeezed into the flange channel when expressed. All your nipples should fit into the flange channel and be free to go in and out. If you experience discomfort during pumping, you may not use the correct flange, and you will need to replace it with a flange of a new size. Some mothers may need a different flange size on each breast, which can change over time. Therefore, after accurate measurements, it is advisable to make a selection to confirm the correct flange size. If there is any problem during use, please contact us in time, and we will provide you with various liberation solutions as soon as possible to help you solve the problem, thank you. Note: Flange Inserts 13/15/17/19/21mm are only suitable for 24mm Shields/Flanges, not for 27mm Shields/Flanges or any other size. ## Features - The authentic momcozy portable breast pump 21mm flange insert accessories are suitable for use with 24mm flange/Shield or Most Pumps. momcozy Original Parts FSA/HSA is eligible. - Easy to clean, wash the momcozy breast pump parts with warm soapy water after each use and rinse well. Use boiling water/steam with a temperature of about 100°C (222°F). - BPA free, made of food-safe silicone material. All momcozy pump parts that come into contact with breast milk are BPA free, giving you peace of mind about your baby's milk. - Made for mothers, by mothers. We have dedicated our lives to providing the best breast pumps, accessories, education and customer service we can, supporting every mom with the beauty of parenting. Moms meet pumps anywhere without any hassle. - The size of the flange insert is important for comfortable and efficient pumping. Some mothers experience swelling of the during expression, so it is advisable to observe the appearance of the during pumping. If your rubs or feels pressed into the flange duct, it is an unsuitable flange size and you need to replace the appropriate flange insert. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CFR2ZLMK | | ASIN | B0CFR2ZLMK | | Additional Features | Lightweight | | Best Sellers Rank | #38,341 in Baby Products ( See Top 100 in Baby Products ) #662 in Breast Pumps | | Brand Name | Momcozy | | Color | White | | Customer Reviews | 4.4 4.4 out of 5 stars (424) | | Customer reviews | 4.4 4.4 out of 5 stars (424) | | Is the item dishwasher safe? | Yes | | Item Weight | 1.1 Ounces | | Item model number | PJ | | Manufacturer | Momcozy | | Manufacturer | Momcozy | | Manufacturer Part Number | PJ | | Material Type | Silicone | | Material Type Free | BPA Free | | Model Number | PJ | | Number of Items | 1 | | Power Source | Battery Powered | | Product Dimensions | 5.08 x 7.62 x 7.62 cm; 31.18 g | | Size | 4pcs-21mm | | UPC | 810123501472 | | Unit Count | 1 Count | ## Product Details - **Brand:** Momcozy - **Material:** Silicone - **Material type free:** BPA Free - **Power source:** Battery Powered - **Special features:** Lightweight ## Images ![Momcozy Flange Insert 21mm Compatible with 24mm Flange/Shield of Most Pumps, Breast Pump Replacement Accessories Insert, 4pcs 21mm - Image 1](https://m.media-amazon.com/images/I/612p9sQ8-iL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Is this compatible with the Momcozy M5?** A: I have the 21mm insert and it works well with my momcozy. ## Frequently Bought Together - Momcozy Flange Insert 19mm Compatible with 24mm Flange/Shield of Most Pumps, Insert for Breast Pump Replacement Accessories, 4PCS 19mm - Momcozy Original S9 Pro/S12 Pro Replacement Accessories, Only Compatible with Momcozy S9 Pro/S12 Pro Breast Pump NOT for S9/S12 (Single-Sealed Full Set Collector Cup with 24mm Flange,180ml, 1 Pack) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sg/products/722482042-momcozy-flange-insert-21mm-compatible-with-24mm-flange-shield-most](https://www.desertcart.sg/products/722482042-momcozy-flange-insert-21mm-compatible-with-24mm-flange-shield-most) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-09-01*