---
product_id: 657154134
title: "Flange Inserts 10PCS 13/15/17/19/21mm for 24mm Flanges/Shield, Flange Sizing Kit Silicone Flanges Insert, Breastfeeding Essentials Kit for New Moms"
brand: "nursi luna"
price: "฿1632"
currency: THB
in_stock: true
reviews_count: 13
category: "Nursi Luna"
url: https://www.desertcart.co.th/products/657154134-flange-inserts-10pcs-13-15-17-19-21mm-for-24mm
store_origin: TH
region: Thailand
---

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

**Brand:** nursi luna
**Price:** ฿1632
**Availability:** ✅ In Stock

## Summary

> 🎯 Perfect Fit, Maximum Flow — Because Every Drop Counts!

## Quick Answers

- **What is this?** Flange Inserts 10PCS 13/15/17/19/21mm for 24mm Flanges/Shield, Flange Sizing Kit Silicone Flanges Insert, Breastfeeding Essentials Kit for New Moms by nursi luna
- **How much does it cost?** ฿1632 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/657154134-flange-inserts-10pcs-13-15-17-19-21mm-for-24mm)

## 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

- • **Hygiene Made Easy:** Bonus cleaning brush and boil-safe silicone keep your pumping kit spotless and durable for daily use.
- • **Safe & Skin-Friendly:** Crafted from BPA-free, food-grade silicone that’s gentle on sensitive skin and supports efficient milk flow.
- • **Measure with Confidence:** Nipple ruler tool takes the guesswork out of sizing, so you never compromise on fit or flow.
- • **Tailored Fit for Every Mom:** 10 silicone flange inserts in 5 sizes ensure perfect suction and comfort, eliminating pumping discomfort.
- • **Boost Your Pumping Efficiency:** Right flange size means better milk expression—join thousands of moms upgrading their breastfeeding routine.

## Overview

The Nursi Luna Flange Inserts Kit offers 10 BPA-free silicone flange inserts in five sizes (13-21mm) designed to fit 24mm breast pump flanges. It includes a nipple measuring ruler and cleaning brush, ensuring moms achieve optimal comfort, hygiene, and pumping efficiency. Trusted by over 1,500+ moms with a 4.5-star rating, this kit is an essential breastfeeding accessory for personalized support and improved milk flow.

## Description

Product Description Right fit, better flow & comfort Find your perfect fit for effortless pumping Use a Nipple Measuring Ruler Tool Place the bottom of the nipple perpendicular to the ruler or nipple measure tool card. Determine Your Size Use a size chart for guidance on the proper size for the fit. If your nipple rubs or feels squeezed in the flange channel, it is an unsuitable flange size and you need to replace the right size flange/insert. Designed with Love, Backed by Science

Review: Good for anyone with a breast pump - Bought to use with a hand-me-down pump. Immediately made the pump more effective due to actually using the right size flange. The cleaning brush is a good addition and the sizer works well.
Review: Perfect for all pumps - A must if you use any type of pump. I didn’t realise how wrong the size I was using was. The inserts fitted perfectly into my Medela in-bra and hand pump.

## 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 |
| ASIN  | B0CKZH37FX |
| Best Sellers Rank | 962 in Baby Products ( See Top 100 in Baby Products ) 16 in Breast Pumps & Accessories |
| Brand | Nursi Luna |
| Country of origin | China |
| Country of origin  | China |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,568) |
| Customer reviews | 4.5 4.5 out of 5 stars (1,568) |
| Date First Available | 6 Jan. 2024 |
| Item model number  | FL-001 |
| Manufacturer  | Nursi Luna |
| Material composition | Silicone |
| Product Dimensions  | 2.54 x 2.54 x 2.54 cm; 120 g |
| Units | 10.00 count |

## Product Details

- **Brand:** Nursi Luna
- **Colour:** Transparent
- **Item weight:** 0.12 Kilograms
- **Material:** Silicone
- **Material Type Free:** BPA Free
- **Number of items:** 1
- **Operation mode:** Manual
- **Power source:** Battery Powered
- **Special feature:** Lightweight, Portable, Wearable

## Images

![Flange Inserts 10PCS 13/15/17/19/21mm for 24mm Flanges/Shield, Flange Sizing Kit Silicone Flanges Insert, Breastfeeding Essentials Kit for New Moms - Image 1](https://m.media-amazon.com/images/I/710y6Idd6yL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good for anyone with a breast pump
*by G***E on 20 December 2025*

Bought to use with a hand-me-down pump. Immediately made the pump more effective due to actually using the right size flange. The cleaning brush is a good addition and the sizer works well.

### ⭐⭐⭐⭐⭐ Perfect for all pumps
*by S***. on 17 December 2025*

A must if you use any type of pump. I didn’t realise how wrong the size I was using was. The inserts fitted perfectly into my Medela in-bra and hand pump.

### ⭐⭐⭐⭐⭐ Great value!
*by M***B on 9 December 2025*

Super easy kit, great for measuring out flanges for my pumps. Really helps to have the right size. Great value for price as well

## 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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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-03-05*