---
product_id: 649085291
title: "40 Pack for Guardian 4 Sensor Cover Patch,Waterproof Guardian 3/4 Sensor Cover, Easy to Use CGM Sensor Cover Protect Your Sensor Continuously for 7 Days Long Stay,Glucose Monitor Protect Cover"
brand: "liangmai"
price: "¥4971"
currency: JPY
in_stock: true
reviews_count: 13
category: "Liang Mai"
url: https://www.desertcart.jp/products/649085291-40-pack-for-guardian-4-sensor-cover-patch-waterproof-guardian
store_origin: JP
region: Japan
---

# 7-day waterproof wear skin-friendly, breathable PU secure during intense activity 40 Pack for Guardian 4 Sensor Cover Patch,Waterproof Guardian 3/4 Sensor Cover, Easy to Use CGM Sensor Cover Protect Your Sensor Continuously for 7 Days Long Stay,Glucose Monitor Protect Cover

**Brand:** liangmai
**Price:** ¥4971
**Availability:** ✅ In Stock

## Summary

> 💪 Stay Active, Stay Protected — Your CGM’s Best Wingman!

## Quick Answers

- **What is this?** 40 Pack for Guardian 4 Sensor Cover Patch,Waterproof Guardian 3/4 Sensor Cover, Easy to Use CGM Sensor Cover Protect Your Sensor Continuously for 7 Days Long Stay,Glucose Monitor Protect Cover by liangmai
- **How much does it cost?** ¥4971 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/649085291-40-pack-for-guardian-4-sensor-cover-patch-waterproof-guardian)

## 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 Application & Removal:** Pre-cut, easy-to-use patches that save time and hassle—just stick and go.
- • **Engineered for Active Lifestyles:** Designed to stay firmly in place during running, sports, and daily hustle—no slips, no worries.
- • **Bulk Pack for Continuous Confidence:** 40 patches per pack means you’re stocked for weeks of uninterrupted glucose monitoring.
- • **Hypoallergenic & Breathable Comfort:** Latex-free, ultra-thin patches that feel like a second skin, perfect for all-day wear and sensitive skin.
- • **Unmatched 7-Day Waterproof Protection:** Keep your CGM sensor safe and dry through every workout, swim, or shower without a second thought.

## Overview

This 40-pack of LiangMai sensor patches is specifically designed for Medtronic Guardian 3/4 CGM devices, offering waterproof, sweatproof, and durable protection for up to 7 days. Made from breathable, hypoallergenic polyurethane, these pre-cut patches ensure secure adhesion during all physical activities while maintaining skin comfort. Ideal for professionals who demand reliability and convenience in their glucose monitoring routine.

## Description

Buy 40 Pack for Medtronic Sensor Patches,Waterproof Guardian 3/4 Sensor Cover Patch,Easy to Use Pre-Cut CGM Sensor Patch Protect Your Sensor Continuously for 7 Days Long Stay,Glucose Monitor Protect Cover on desertcart.com ✓ FREE SHIPPING on qualified orders

Review: Clear patch - Like the patch to cover my mini med sensor
Review: The Best Cover for Dexcom or Medtronic’s Guardian - We’ve tried them and most of the patches get wet, are difficult to apply or uncomfortable. This brand is the best one we have tried. Very reasonably priced.

## Features

- COMPATIBILITY: Our sensor protect adhesive patch is compatible with Monitor 3/4, please check the model number of your CGM device before purchasing, Medtronic guardian 4 sensor patches can be kept for more than 7 days
- WATERPROOF ＆ SWEATPROOF: The guardian 4 sensor cover patch is made of high quality material and is waterproof and sweatproof, so you can enjoy indoor and outdoor activities without worrying about your device slipping or getting lost
- DURABLE: This medtronic sensor patches hold the CGM device securely to your skin while you exercise, swim, run, or perform other activities. You can barely feel the tape during use,our LiangMai overpatches are your best partners
- SKIN-FRIENDLY ＆ BREATHABLE: The continuous glucose monitor patch is made of latex-free material and fits well throughout the shower, exercise and sleep. It is skin-friendly, comfortable and not tight, suitable for both men and women
- EASY TO INSTALL: This guardian CGM adhesive patches come in 40 pieces that are easy to apply and remove. Simply place the sensor in the centre of the patch and apply to the skin during any activity

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D967YPC9 |
| ASIN  | B0D967YPC9 |
| Best Sellers Rank | #222,971 in Health & Household ( See Top 100 in Health & Household ) #1,668 in Adhesive Bandages |
| Brand Name | LiangMai |
| Customer Reviews | 4.0 4.0 out of 5 stars (83) |
| Date First Available  | July 10, 2024 |
| Item Form | Sensor Patches |
| Item Weight | 0.05 Kilograms |
| Item model number  | for Medtronic |
| Manufacturer | LiangMai |
| Manufacturer  | LiangMai |
| Manufacturer Part Number | medtronic 40 |
| Material Features | Waterproof,Hypoallergenic,Breathable |
| Material Type | Polyurethane (PU) |
| Model Number | for Medtronic |
| Number of Pieces | 40 |
| Package Dimensions  | 6.14 x 4.96 x 0.55 inches; 1.76 ounces |
| Product Style | Guardian |
| Recommended Uses For Product | Physical activities and sports |
| Size | 40 Count (Pack of 1) |
| Sterile | Sterile |
| Target Use Body Part | Skin |
| Unit Count | 40 Count |

## Product Details

- **Brand:** LiangMai
- **Material:** Polyurethane (PU)
- **Size:** 40 Count (Pack of 1)
- **Sterility Rating:** Sterile
- **Style:** Guardian

## Images

![40 Pack for Guardian 4 Sensor Cover Patch,Waterproof Guardian 3/4 Sensor Cover, Easy to Use CGM Sensor Cover Protect Your Sensor Continuously for 7 Days Long Stay,Glucose Monitor Protect Cover - Image 1](https://m.media-amazon.com/images/I/612-ru7X07L.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Clear patch
*by M***H on January 16, 2026*

Like the patch to cover my mini med sensor

### ⭐⭐⭐⭐⭐ The Best Cover for Dexcom or Medtronic’s Guardian
*by B***L on August 8, 2025*

We’ve tried them and most of the patches get wet, are difficult to apply or uncomfortable. This brand is the best one we have tried. Very reasonably priced.

### ⭐ Awful product!!!
*by R***L on December 12, 2024*

Bandaid would be better than this crap. This is after the 4th piece used. It doesn't stick at all. I've been using a CGM for 6 years so yes I know how to properly apply. Awful awful awful.

## Frequently Bought Together

- 40 Pack for Medtronic Sensor Patches,Waterproof Guardian 3/4 Sensor Cover Patch，Easy to Use Pre-Cut CGM Sensor Patch Protect Your Sensor Continuously for 7 Days Long Stay,Glucose Monitor Protect Cover
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- OK TAPE Adhesive Patches for MEDTRONIC Guardian and Other Sensor, Waterproof & Sweatproof CGM Patches, Long Last Sensor Patches 15 PCS, Beige

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-04-28*