---
product_id: 597732966
title: "Flange Sizing Kit, Flange Inserts for 24mm Breast Pumps, 10PCS | 13/15/17/19/21mm, Compatible with Spectra & Medela, Nipple Sizer for Flanges to Find the Right Fit, Comfortable Pumping"
brand: "nursi luna"
price: "3359 som"
currency: KGS
in_stock: true
reviews_count: 13
category: "Nursi Luna"
url: https://www.desertcart.kg/products/597732966-flange-sizing-kit-flange-inserts-for-24mm-breast-pumps-10pcs
store_origin: KG
region: Kyrgyzstan
---

# 5 precise flange sizes (13-21mm) BPA-free, food-grade silicone Includes cleaning sponge brush Flange Sizing Kit, Flange Inserts for 24mm Breast Pumps, 10PCS | 13/15/17/19/21mm, Compatible with Spectra & Medela, Nipple Sizer for Flanges to Find the Right Fit, Comfortable Pumping

**Brand:** nursi luna
**Price:** 3359 som
**Availability:** ✅ In Stock

## Summary

> 👩‍🍼 Perfect Fit, Maximum Flow — Pump Like a Pro!

## Quick Answers

- **What is this?** Flange Sizing Kit, Flange Inserts for 24mm Breast Pumps, 10PCS | 13/15/17/19/21mm, Compatible with Spectra & Medela, Nipple Sizer for Flanges to Find the Right Fit, Comfortable Pumping by nursi luna
- **How much does it cost?** 3359 som with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/products/597732966-flange-sizing-kit-flange-inserts-for-24mm-breast-pumps-10pcs)

## Best For

- nursi luna enthusiasts

## Why This Product

- Trusted nursi luna brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Hygienic & Durable:** Easy to clean and sanitize with included sponge brush and boiling water compatibility.
- • **Safe & Skin-Friendly:** Crafted from BPA-free, food-grade silicone for gentle, irritation-free use on sensitive skin.
- • **Universal Compatibility:** Designed for 24mm breast pump shields, fits top brands like Spectra & Medela seamlessly.
- • **Effortless Size Selection:** Built-in nipple ruler eliminates guesswork, empowering confident, pain-free pumping.
- • **Tailored Fit for Every Mom:** 10 soft silicone inserts ensure perfect flange sizing for maximum comfort and suction.

## Overview

The Nursi Luna Flange Sizing Kit offers 10 BPA-free silicone inserts in five sizes (13-21mm) to customize breast pump flange fit, enhancing comfort and efficiency. Compatible with major 24mm breast pumps like Spectra and Medela, it includes a nipple ruler for precise sizing and a cleaning brush for hygiene, making it an essential, durable accessory for every breastfeeding mom.

## Description

desertcart.com : Nursi Luna Flange Sizing Kit, Flange Inserts for 24mm Breast Pumps, 10PCS | 13/15/17/19/21mm, Compatible with Spectra & Medela, Nipple Sizer for Flanges to Find the Right Fit, Comfortable Pumping : Baby

Review: Good Quality and Fit All My Pumps! - I love this kit!! My flange size has changed a couple times throughout my breastfeeding journey and this kit has all the sizes I have needed. The flanges are great quality and have fit in my spectra, baby buddah 2.0, and momcozy s12. Would highly recommend!
Review: Excellent Fit, Better Results! - These are amazing! My supply has went up tremendously using the correct size flange!

## Features

- Essential Breastfeeding Support for Moms: More than just an accessory—this nipple flange sizing kit is part of your true breastfeeding essentials. Correct sizing reduces discomfort, supports healthy pumping, and makes each session more effective for both new and experienced moms
- Customized Comfort with Multiple Sizes: Every mom is unique. This flange sizing kit includes 10 soft silicone flange inserts (13/15/17/19/21mm), allowing you to find the right fit for each side. A proper fit ensures a secure seal, better suction, and a cozier pumping experience—an important piece of your breast feeding essentials
- Easy Measuring with Nipple Ruler: No more guessing sizes. The included nipple measurement tool makes it simple to identify your correct fit, helping moms choose the right flange insert quickly and confidently
- Safe and Gentle: Made from BPA-free, food-grade silicone, these flanges are soft, cushioned, and gentle on sensitive skin while supporting efficient milk flow. They’re easy to clean and maintain, with an included sponge brush for added convenience
- Easy to Clean and Durable: Made for busy breastfeeding mothers, these silicone flange inserts are easy to clean and maintain. They can be sanitized with boiling water, ensuring that the accessories remain hygienic and durable

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CKZH37FX |
| Additional Features | Better Fit, Comfort and Efficiency, Lightweight, Painless |
| Best Sellers Rank | #997 in Baby ( See Top 100 in Baby ) #6 in Electric Breast Pumps |
| Brand | Nursi Luna |
| Brand Name | Nursi Luna |
| Color | Transparent |
| Customer Reviews | 4.5 out of 5 stars 2,224 Reviews |
| Included Components | 13mm Flange Inserts * 2PCS, 15mm Flange Inserts * 2PCS, 17mm Flange Inserts * 2PCS, 19mm Flange Inserts * 2PCS, 21mm Flange Inserts * 2PCS Included Components 13mm Flange Inserts * 2PCS, 15mm Flange Inserts * 2PCS, 17mm Flange Inserts * 2PCS, 19mm Flange Inserts * 2PCS, 21mm Flange Inserts * 2PCS See more |
| Item Weight | 0.12 kg |
| Manufacturer | Nursi Luna |
| Manufacturer Part Number | FL-001 |
| Material | Silicone |
| Material Type | Silicone |
| Model Name | FLANGEKIT |
| Model Number | FL-001 |
| Number of Items | 1 |
| Operation Mode | Manual |
| Size | 10 PCS 13/15/17/19/21 mm for 24 mm shields |
| Special Feature | Better Fit, Comfort and Efficiency, Lightweight, Painless |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Nursi Luna
- **Material:** Silicone
- **Operation Mode:** Manual
- **Special Feature:** Better Fit, Comfort and Efficiency, Lightweight, Painless

## Images

![Flange Sizing Kit, Flange Inserts for 24mm Breast Pumps, 10PCS | 13/15/17/19/21mm, Compatible with Spectra & Medela, Nipple Sizer for Flanges to Find the Right Fit, Comfortable Pumping - Image 1](https://m.media-amazon.com/images/I/716k-NSecmL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good Quality and Fit All My Pumps!
*by E***H on July 23, 2026*

I love this kit!! My flange size has changed a couple times throughout my breastfeeding journey and this kit has all the sizes I have needed. The flanges are great quality and have fit in my spectra, baby buddah 2.0, and momcozy s12. Would highly recommend!

### ⭐⭐⭐⭐⭐ Excellent Fit, Better Results!
*by D***A on July 3, 2026*

These are amazing! My supply has went up tremendously using the correct size flange!

### ⭐⭐⭐⭐⭐ Good Product
*by R***L on July 22, 2026*

Very useful. I love the measuring piece, perfect way to make sure I'm using the correct flange size. No more uncomfortable pumping.

## Frequently Bought Together

- Nursi Luna Flange Inserts 10PCS 13/15/17/19/21mm for 24mm Flanges/Shield of Most Pumps, Flange Sizing Kit Silicone Flanges Insert, Breastfeeding Essentials Kit for New Moms
- Medela Manual breast pump with Flex Shields Harmony Single Hand for More Comfort and Expressing More Milk
- Earth Mama Organic Nipple Butter™ | Nipple Cream Safe for Breastfeeding | Postpartum Essentials for Nursing | Non Lanolin Nipple Cream, 2-Fluid Ounce

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**Shop now:** [https://www.desertcart.kg/products/597732966-flange-sizing-kit-flange-inserts-for-24mm-breast-pumps-10pcs](https://www.desertcart.kg/products/597732966-flange-sizing-kit-flange-inserts-for-24mm-breast-pumps-10pcs)

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*Product available on Desertcart Kyrgyzstan*
*Store origin: KG*
*Last updated: 2026-09-03*