---
product_id: 668039293
title: "Flange Sizing Kit 3 in 1 with 10PCS Flange Inserts 13/15/17/19/21mm, Silicone Flanges Insert Kit for 24mm Flange/Shield, Pumping Essentials Kit for Moms"
brand: "nursi luna"
price: "€ 13.76"
currency: EUR
in_stock: true
reviews_count: 13
category: "Nursi Luna"
url: https://www.desertcart.ie/products/668039293-flange-sizing-kit-3-in-1-with-10pcs-flange-inserts
store_origin: IE
region: Ireland
---

# 5 precise flange sizes (13-21mm) Food-grade, BPA-free silicone Includes cleaning brush for hygiene Flange Sizing Kit 3 in 1 with 10PCS Flange Inserts 13/15/17/19/21mm, Silicone Flanges Insert Kit for 24mm Flange/Shield, Pumping Essentials Kit for Moms

**Brand:** nursi luna
**Price:** € 13.76
**Availability:** ✅ In Stock

## Summary

> 👩‍🍼 Pump Like a Pro, Comfortably & Confidently!

## Quick Answers

- **What is this?** Flange Sizing Kit 3 in 1 with 10PCS Flange Inserts 13/15/17/19/21mm, Silicone Flanges Insert Kit for 24mm Flange/Shield, Pumping Essentials Kit for Moms by nursi luna
- **How much does it cost?** € 13.76 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/668039293-flange-sizing-kit-3-in-1-with-10pcs-flange-inserts)

## 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

- • **Safe & Hygienic:** BPA-free, food-grade silicone with dishwasher-safe inserts and included cleaning brush.
- • **Expert-Backed Design:** Developed by an IBCLC for scientifically optimized nipple sizing and comfort.
- • **Mom-Approved Essential:** Highly rated by thousands of new moms for making pumping smoother and more comfortable.
- • **Perfect Fit Every Time:** 10 silicone flange inserts in 5 sizes ensure personalized comfort and pumping efficiency.
- • **Adaptable for Every Stage:** Adjust flange size easily as nipple size changes during breastfeeding journey.

## Overview

The Nursi Luna Flange Sizing Kit 3 in 1 offers 10 BPA-free silicone flange inserts in five sizes (13-21mm) designed by a certified lactation consultant to optimize pumping comfort and efficiency. Compatible with 24mm flanges, it includes a nipple ruler and cleaning brush, making it an essential, hygienic, and adaptable pumping accessory for new moms.

## Description

desertcart.com : Nursi Luna Flange Sizing Kit 3 in 1 with 10PCS Flange Inserts 13/15/17/19/21mm, Silicone Flanges Insert Kit for 24mm Flange/Shield, Pumping Essentials Kit for Moms : Baby

Review: Must have - Great quality with lots of sizes. Fits all my pumps
Review: Love that there’s a variety - Love the price of this definitely helped when it came to me measuring my flan size and made pumping so much easier. Especially love that. It comes with the cleaning tool and a bunch of different sizes and that the measuring tool is a silicone base.

## Features

- Essential for New Moms: Nursi Luna Flange Sizing Kit 3 in 1, developed by an IBCLC (International Board Certified Lactation Consultant), enhances comfort and pumping efficiency for new moms, addressing common confusion and discomfort during breastfeeding.
- Highly Compatible: 10Pcs Flange sizing kit come in a variety of sizes to choose from 13/15/17/19/21mm (2 flange inserts of each size) Fits with 24mm flanges/shields. Note: Not compatible with 27-28mm shields
- Getting The Right Flange Size: Nipple size can change during different breastfeeding stages, requiring adjustments for optimal comfort. Our nipple ruler based on IBCLC recommendations, provides precise sizing to ensure a perfect fit and efficient pumping
- Safe For Baby And Mom: Made from food-grade silicone, BPA-free, easy to clean, and dishwasher safe. Includes a sponge cleaning brush. Replace flange insert every 2 months for optimal performance
- Perfect Gift for New Moms: Our silicone flange inserts help mothers quickly and comfortably find the right size, ensuring a smooth pumping experience.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN  | B0DHC2XTWC |
| Best Sellers Rank | #452 in Baby ( See Top 100 in Baby ) #66 in Electric Breast Pumps |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,704) |
| Date First Available  | September 18, 2024 |
| Item model number  | FLANGEKIT |
| Manufacturer  | Nursi Luna |
| Product Dimensions  | 3.27 x 4.06 x 4.21 inches; 5.29 ounces |

## Product Details

- **Brand:** Nursi Luna
- **Included Components:** 13/15/17/19/21mm Flange Inserts * 2PCS, Cleaning Brush, Nipple Ruler Brown * 1PCS
- **Material:** Silicone
- **Number of Items:** 1
- **Special Feature:** Lightweight

## Images

![Flange Sizing Kit 3 in 1 with 10PCS Flange Inserts 13/15/17/19/21mm, Silicone Flanges Insert Kit for 24mm Flange/Shield, Pumping Essentials Kit for Moms - Image 1](https://m.media-amazon.com/images/I/610Qu3-HH4L.jpg)
![Flange Sizing Kit 3 in 1 with 10PCS Flange Inserts 13/15/17/19/21mm, Silicone Flanges Insert Kit for 24mm Flange/Shield, Pumping Essentials Kit for Moms - Image 2](https://m.media-amazon.com/images/I/613+gepz6yL.jpg)
![Flange Sizing Kit 3 in 1 with 10PCS Flange Inserts 13/15/17/19/21mm, Silicone Flanges Insert Kit for 24mm Flange/Shield, Pumping Essentials Kit for Moms - Image 3](https://m.media-amazon.com/images/I/61q-7HHkaFL.jpg)
![Flange Sizing Kit 3 in 1 with 10PCS Flange Inserts 13/15/17/19/21mm, Silicone Flanges Insert Kit for 24mm Flange/Shield, Pumping Essentials Kit for Moms - Image 4](https://m.media-amazon.com/images/I/717IgWjUBnL.jpg)
![Flange Sizing Kit 3 in 1 with 10PCS Flange Inserts 13/15/17/19/21mm, Silicone Flanges Insert Kit for 24mm Flange/Shield, Pumping Essentials Kit for Moms - Image 5](https://m.media-amazon.com/images/I/71MijmNdw1L.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Must have
*by K***E on January 3, 2026*

Great quality with lots of sizes. Fits all my pumps

### ⭐⭐⭐⭐⭐ Love that there’s a variety
*by C***O on December 4, 2025*

Love the price of this definitely helped when it came to me measuring my flan size and made pumping so much easier. Especially love that. It comes with the cleaning tool and a bunch of different sizes and that the measuring tool is a silicone base.

### ⭐⭐⭐⭐⭐ Needed for help
*by D***N on October 12, 2025*

I needed these because i wasnt sire what size i was for any of my pumps. I had assumed and was wrong. These have instructions that explain much needed info as well as comfort. It is amazing the difference it made. It was well wortg the money and will recommend and buy again. The ruler is flexible for easy and more accurate fitting. Love it.

## Frequently Bought Together

- Nursi Luna Flange Sizing Kit 3 in 1 Ultimate with 10PCS Flange Inserts 13/15/17/19/21mm, Nipple Ruler, Cleaning Brush, Silicone Flange Insert Kit for 24mm Most Pumps, Pumping Breastfeeding Essentials
- Earth Mama Organic Nipple Butter™ | Nipple Cream Safe for Breastfeeding | Postpartum Essentials for Nursing | Non Lanolin Nipple Cream, 2-Fluid Ounce
- Medela Manual breast pump with Flex Shields Harmony Single Hand for More Comfort and Expressing More Milk

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-05*