--- 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: "S/.148" currency: PEN in_stock: true reviews_count: 13 category: "Liang Mai" url: https://www.desertcart.pe/products/664740043-40-pack-for-medtronic-sensor-patches-waterproof-guardian-4-sensor store_origin: PE region: Peru --- # 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:** S/.148 **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?** S/.148 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pe](https://www.desertcart.pe/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 Freestyle 2 sensor cover Freestyle 3 sensor cover CGM/Square CGM Medtronic&Omnipod&Dexcom G6&G7 Beige patch Nasal strip & Silicone tape Review: Amazing! - Fantastic product only one out of all the products that sticks on my skin, very durable under water and in the heat, very effective, has a good stickiness to it, great value for money Review: Awful - Awful - so difficult to apply without creasing or tearing. Very disappointed ## 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 **Item Shape, 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. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Amazing! *by B***7 on 29 August 2025* Fantastic product only one out of all the products that sticks on my skin, very durable under water and in the heat, very effective, has a good stickiness to it, great value for money ### ⭐ Awful *by A***R on 9 May 2026* Awful - so difficult to apply without creasing or tearing. Very disappointed ### ⭐⭐⭐⭐⭐ Simple Secure See-through Sensor Fixation *by S***N on 30 April 2025* I have found these patches just right. They are large enough and have sufficient adherence to provide secure fixation of the sensor. They are relatively easy to apply even on the triceps area (posterior upper arm) . They are available at a reasonable price and unobtrusive ## 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 - Lift Fast-Acting Glucose Energy Juice Shots, Very Berry, 12 Pack of 60 ml Bottles - Skin-Tac MS 407W Adhesive Barrier Wipes, 50 Pieces --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pe/products/664740043-40-pack-for-medtronic-sensor-patches-waterproof-guardian-4-sensor](https://www.desertcart.pe/products/664740043-40-pack-for-medtronic-sensor-patches-waterproof-guardian-4-sensor) --- *Product available on Desertcart Peru* *Store origin: PE* *Last updated: 2026-08-25*