---
product_id: 664740043
title: "40 Pack for Medtronic Sensor Patches，Waterproof Guardian 4 Sensor Cover Patch，Hypoallergenic Pre-Cut CGM Sensor Patches Protect Your Sensors Continuously for 7 Days Long Stay"
brand: "liangmai"
price: "₩72325"
currency: KRW
in_stock: true
url: https://www.desertcart.kr/products/664740043-40-pack-for-medtronic-sensor-patches-waterproof-guardian-4-sensor
store_origin: KR
region: South Korea
---

# Waterproof up to 10 days Pre-cut for effortless application Hypoallergenic & residue-free 40 Pack for Medtronic Sensor Patches，Waterproof Guardian 4 Sensor Cover Patch，Hypoallergenic Pre-Cut CGM Sensor Patches Protect Your Sensors Continuously for 7 Days Long Stay

**Brand:** liangmai
**Price:** ₩72325
**Availability:** ✅ In Stock

## Summary

> 🛡️ Stay covered, stay confident—sensor protection that moves with you!

## Quick Answers

- **What is this?** 40 Pack for Medtronic Sensor Patches，Waterproof Guardian 4 Sensor Cover Patch，Hypoallergenic Pre-Cut CGM Sensor Patches Protect Your Sensors Continuously for 7 Days Long Stay by liangmai
- **How much does it cost?** ₩72325 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/664740043-40-pack-for-medtronic-sensor-patches-waterproof-guardian-4-sensor)

## Best For

- liangmai enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Fit:** Pre-cut shape perfectly matches Guardian 3 & 4 sensors for quick, solo application.
- • **Skin-Safe Comfort:** Latex-free, hypoallergenic material prevents irritation and leaves zero residue.
- • **Invisible Protection:** Ultra-thin, barely-there patch offers all-day comfort and confidence in every move.
- • **Swim, Shower, Repeat:** Waterproof design keeps sensors secure through 10 showers or full water immersion.
- • **No Sensor Interference:** Innovative no-stick-on-sensor design ensures full protection without compromising sensor function.

## Overview

The LiangMai 40-pack Guardian 4 Sensor Cover Patches provide waterproof, hypoallergenic protection for Medtronic CGM sensors. Designed for up to 10 days of continuous wear, these pre-cut, ultra-thin patches fit Guardian 3 & 4 devices perfectly, ensuring secure sensor adhesion without irritation or residue. Ideal for active professionals seeking reliable, comfortable sensor coverage.

## Description

40 Pack for Medtronic Sensor Patches，Waterproof Guardian 4 Sensor Cover Patch，Hypoallergenic Pre-Cut CGM Sensor Patches Protect Your Sensors Continuously for 7 Days Long Stay

## Features

- Waterproof - Using our guardian sensor tape you are free to swim and all the water activities.and can last up to 10 days or 10 times showers
- Easy to Use - Perfect Shape Fit on guardian devices 3&4, Pre-cut back paper for easy to use by yourself, no need other help
- Hypoallergenic - The medtronic guardian sensor covers are latex-free, not irritate your skin or cause any itching or discomfort.Suitable for most people and leaves no residue on body parts
- No Sticking in the Middle：No sticking on the sensor for full protection . The LiangMai CGM patch secures your sensor so it doesn't loosen or fall off, giving you more freedom of movement
- Comfortable - You will hardly feel the presence of the sticker in the process of use.The super thin sticker gives you a sense of comfort

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Units | 40.0 count |
| Brand | LiangMai |
| Country of origin | China |

## Images

![40 Pack for Medtronic Sensor Patches，Waterproof Guardian 4 Sensor Cover Patch，Hypoallergenic Pre-Cut CGM Sensor Patches Protect Your Sensors Continuously for 7 Days Long Stay - Image 1](https://m.media-amazon.com/images/I/61LYIqozv-L.jpg)

## Available Options

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

## Questions & Answers

**Q: How long do Medtronic sensor patches typically stay on before they need to be replaced?**
A: Medtronic sensor patches are typically retained for up to 7 days. However, individual wear time may vary depending on factors such as activity level and skin type. It is recommended to be prepared before use.

**Q: How big are Medtronic Sensor Patch?**
A: Medtronic sensor patches are 10cm long and 8cm wide and fit your Medtronic sensor perfectly.

**Q: How many patches are in a pack of Medtronic Sensor Patches?**
A: A pack contains 20 patches, so it will last a long time.

**Q: What are Medtronic sensor patches made of?**
A: The Medtronic Sensor Patch shell is latex-free and will not irritate your skin or cause any itching or discomfort. They are suitable for most people and do not leave a residue on body parts.

**Q: How do I prepare my skin before applying the Sensor Patch to ensure long-lasting use of the Sensor Patch?**
A: Thoroughly remove lotion, oil, moisture and dirt from the skin. For best results, apply patches at least one to two hours before a workout or shower. Remove excess hair to improve adhesion.

## Frequently Bought Together

- 40 Pack for Medtronic Sensor Patches，Waterproof Guardian 4 Sensor Cover Patch，Hypoallergenic Pre-Cut CGM Sensor Patches Protect Your Sensors Continuously for 7 Days Long Stay
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**Shop now:** [https://www.desertcart.kr/products/664740043-40-pack-for-medtronic-sensor-patches-waterproof-guardian-4-sensor](https://www.desertcart.kr/products/664740043-40-pack-for-medtronic-sensor-patches-waterproof-guardian-4-sensor)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-03-03*