--- 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: "€ 33.70" currency: EUR in_stock: true url: https://www.desertcart.pt/products/664740043-40-pack-for-medtronic-sensor-patches-waterproof-guardian-4-sensor store_origin: PT region: Portugal --- # 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:** € 33.70 **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?** € 33.70 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/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 - 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.pt/products/664740043-40-pack-for-medtronic-sensor-patches-waterproof-guardian-4-sensor](https://www.desertcart.pt/products/664740043-40-pack-for-medtronic-sensor-patches-waterproof-guardian-4-sensor) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-06-20*