---
product_id: 48350599
title: "One-Piece Breastshield w/Valve and Membrane for Medela Breast Pumps (25mm)"
brand: "maymom"
price: "¥4312"
currency: JPY
in_stock: false
url: https://www.desertcart.jp/products/48350599-one-piece-breastshield-w-valve-and-membrane-for-medela-breast
store_origin: JP
region: Japan
---

# Steam, microwave & boiling sterilization Universal fit for most Medela pumps BPA & DEHP-free safe materials One-Piece Breastshield w/Valve and Membrane for Medela Breast Pumps (25mm)

**Brand:** maymom
**Price:** ¥4312
**Availability:** ❌ Out of Stock

## Summary

> 🍼 Pump smarter, not harder — comfort and safety in one sleek piece!

## Quick Answers

- **What is this?** One-Piece Breastshield w/Valve and Membrane for Medela Breast Pumps (25mm) by maymom
- **How much does it cost?** ¥4312 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/48350599-one-piece-breastshield-w-valve-and-membrane-for-medela-breast)

## Best For

- maymom enthusiasts

## Why This Product

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

## Key Features

- • **Safe & Healthy:** Crafted from BPA-free and DEHP-free materials for peace of mind.
- • **Sterilize Your Way:** Compatible with steam, microwave, and boiling water sterilization methods.
- • **Broad Compatibility:** Works seamlessly with nearly all Medela breast pumps except select models.
- • **Complete Pumping Kit:** Includes breastshield, valve, and membrane for hassle-free replacement.
- • **Ultimate Comfort Fit:** Precision 25mm size ensures optimal pumping comfort and efficiency.

## Overview

This 25mm one-piece breastshield with valve and membrane is designed for most Medela breast pumps (excluding Freestyle, Swing Maxi, and Harmony). Made from BPA and DEHP-free materials, it supports multiple sterilization methods including steam, microwave, and boiling water. Lightweight and easy to replace, it ensures a comfortable and hygienic pumping experience.

## Description

It is well known that using the correct breastshield size is important for your pumping comfort. Choose the size that will fit the best for you. Made from BPA free and DEHP-free material Can be steam sterilized, microwave sterilized or sterilized in boiling water. Breastshield x 1, Valve x 1, Membrane x1; Compatible with all Medela pumps except Freestyle, Swing Maxi and HarmonyTM breastpumps Retail poly-bag packed; sealed by the manufacturer, Maymom. Medela is a registered trademark of Medela, Switzerland. Maymom is not affiliated with Medela.

## Features

- Suitable for all models of Medela Breastpumps except Freestyle, Swing Maxi & Harmony
- Made from BPA free and DEHP-free material
- Can be steam sterilized, microwave sterilized or sterilized in boiling water.
- Breastshield x 1, Valve x 1, Membrane x1

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Model Number | M012-MFVM |
| Product Dimensions | 19.99 x 10.01 x 19.99 cm; 30 g |
| Item model number | M012-MFVM |
| Additional product features | Lightweight |
| Number of items | 1 |
| Style | Medium 25mm |
| Batteries required | No |
| Dishwasher safe | No |
| Item Weight | 30 g |

## Product Details

- **Brand:** Maymom
- **Special feature:** Lightweight
- **Included components:** Diaphragm, Valve
- **Number of items:** 1
- **Model name:** medela
- **Colour:** Clear
- **Dishwasher safe?:** No
- **Style:** Medium 25mm
- **Size:** 25mm
- **Manufacturer:** Maymom

## Images

![One-Piece Breastshield w/Valve and Membrane for Medela Breast Pumps (25mm) - Image 1](https://m.media-amazon.com/images/I/71uRD0-11NL.jpg)

## Available Options

This product comes in different **Colour Name, Size Name** options.

## Frequently Bought Together

- Breast Cover, Valve, Membrane for Medela Breast Pump
- Medela Breast Milk Storage Bottles - BPA-Free - Pack of 3 x 150 ml
- Medela Breast Pump Replacement Valves and Membranes - Breast pump replacement parts for Medela Swing, Mini Electric and Harmony breast pumps

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**Shop now:** [https://www.desertcart.jp/products/48350599-one-piece-breastshield-w-valve-and-membrane-for-medela-breast](https://www.desertcart.jp/products/48350599-one-piece-breastshield-w-valve-and-membrane-for-medela-breast)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-25*