--- product_id: 623356462 title: "– 20 Sheet Car Sound Deadening Mats with Sound Deadening Roller | 21.5sq.ft Self-Adhesive Sound Proofing Sheet, 275mil(7mm) Car Sound Absorbing Mat for Trunk Hood Door Floor Ceiling, 40x25cm" brand: "maxearn" price: "$104.21" currency: USD in_stock: true reviews_count: 8 category: "Max Earn" url: https://www.desertcart.us/products/623356462-20-sheet-car-sound-deadening-mats-with-sound-deadening-roller store_origin: US region: United States of America --- # 7mm thick foam for max insulation Flame retardant & heat shield Self-adhesive & cut-to-fit ease – 20 Sheet Car Sound Deadening Mats with Sound Deadening Roller | 21.5sq.ft Self-Adhesive Sound Proofing Sheet, 275mil(7mm) Car Sound Absorbing Mat for Trunk Hood Door Floor Ceiling, 40x25cm **Brand:** maxearn **Price:** $104.21 **Availability:** ✅ In Stock ## Summary > 🚗 Silence & comfort, rolled out like a boss ## Quick Answers - **What is this?** – 20 Sheet Car Sound Deadening Mats with Sound Deadening Roller | 21.5sq.ft Self-Adhesive Sound Proofing Sheet, 275mil(7mm) Car Sound Absorbing Mat for Trunk Hood Door Floor Ceiling, 40x25cm by maxearn - **How much does it cost?** $104.21 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/623356462-20-sheet-car-sound-deadening-mats-with-sound-deadening-roller) ## Best For - maxearn enthusiasts ## Why This Product - Trusted maxearn brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Effortless Installation:** Self-adhesive backing + included roller means pro results without the hassle - • **Durable & Safe Materials:** Waterproof, scratch-resistant, flame retardant—built to last and protect - • **All-Season Climate Control:** Keeps your car cool in summer and warm in winter—comfort that never quits - • **Versatile Fit for Every Ride:** 20 mats cover 21.53 sq.ft, perfect for trunks, doors, floors, and campervans - • **Precision Thickness, Maximum Comfort:** 7mm dense foam blocks noise & heat for a serene drive ## Overview MaxEarn’s 20PCS Car Sound Deadening Mats deliver 7mm thick, self-adhesive foam panels covering 21.53 sq.ft to dramatically reduce engine and road noise while providing superior thermal insulation. Made from durable, flame-retardant, waterproof materials, these mats come with a professional-grade roller for easy installation and fit a wide range of vehicle surfaces including trunks, doors, and floors—ideal for drivers craving a quieter, more comfortable ride year-round. ## Description Product Description Review: Recommended as cheaper than other brands - Cheaper than other brands and equally as good. You can really hear the difference Review: Rubbish - Very cheap poor quality . Hardly any difference as light foam. Not the tacky heavyweight sound deadener as expected ## Features - ✅【Specification】Dimensions: 40 x 25 cm / 15.7 x 9.8 inches, thickness: 7 mm / 276 mil, total coverage area: 21.53 SQ FT. 20 pieces to meet your needs of heat & sound insulation. - ✅【High Quality Material】The car insulation pad is made of c material, which is lightweight, scratch-resistant, waterproof, flame retardant, corrosion-resistant and thermally insulating. 7 mm thickened insulating foam ensures maximum thermal insulation efficiency. - ✅【High Performance】Excellent thermal insulation performance, it can be warm in winter and cool in summer, keeping the temperature inside the car comfortable. Car sound insulation pads are made of closed-cell foam sound insulation materials, which can effectively block engine noise and friction noise during driving, greatly improving driving comfort. - ✅【Easy to Use】The car soundproof mat can be cut freely as needed, and the back is self-adhesive tape for easy installation.Equipped with a sound deadening roller measuring 6.88 x 1.96 inches, making installation more professional. - ✅【Wide Application】Our sound deadening foam mats are widely used in any insulation of roofs, hoods, firewalls, chassis, interior and exterior partitions, wheel arches, body panels, seats, trunk lids, etc. of various motor vehicles. Great for campervan conversions. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CQ894CDZ | | Best Sellers Rank | 26,538 in Automotive ( See Top 100 in Automotive ) 84 in Automobile Insulation | | Brand | MaxEarn | | Country of Origin | China | | Coverage | 21.53 SQ FT | | Customer Reviews | 3.8 out of 5 stars 25 Reviews | | Included Components | 1 x Sound Deadening Roller, 20 x Sound Insulation Foam Mats | | Item Dimensions L x W | 40L x 25W centimetres | | Item Thickness | 7 Millimetres | | Item Type Name | car sound deadening mat | | Item thickness | 7 Millimetres | | Manufacturer | WIN | | Material | Aluminium | | Model Number | 1487 | | Product dimensions | 40L x 25W centimetres | | Recommended Uses For Product | heat and sound insulation in motor vehicles | | Recommended uses for product | heat and sound insulation in motor vehicles | | Unit Count | 20.0 count | ## Product Details - **Brand:** MaxEarn - **Item thickness:** 7 Millimetres - **Material:** Aluminium - **Product dimensions:** 40L x 25W centimetres - **Recommended uses for product:** heat and sound insulation in motor vehicles ## Images ![– 20 Sheet Car Sound Deadening Mats with Sound Deadening Roller | 21.5sq.ft Self-Adhesive Sound Proofing Sheet, 275mil(7mm) Car Sound Absorbing Mat for Trunk Hood Door Floor Ceiling, 40x25cm - Image 1](https://m.media-amazon.com/images/I/81hqbbNsVlL.jpg) ![– 20 Sheet Car Sound Deadening Mats with Sound Deadening Roller | 21.5sq.ft Self-Adhesive Sound Proofing Sheet, 275mil(7mm) Car Sound Absorbing Mat for Trunk Hood Door Floor Ceiling, 40x25cm - Image 2](https://m.media-amazon.com/images/I/81ce2UBfZmL.jpg) ![– 20 Sheet Car Sound Deadening Mats with Sound Deadening Roller | 21.5sq.ft Self-Adhesive Sound Proofing Sheet, 275mil(7mm) Car Sound Absorbing Mat for Trunk Hood Door Floor Ceiling, 40x25cm - Image 3](https://m.media-amazon.com/images/I/61m1FLoNOFL.jpg) ![– 20 Sheet Car Sound Deadening Mats with Sound Deadening Roller | 21.5sq.ft Self-Adhesive Sound Proofing Sheet, 275mil(7mm) Car Sound Absorbing Mat for Trunk Hood Door Floor Ceiling, 40x25cm - Image 4](https://m.media-amazon.com/images/I/81qTL30QpeL.jpg) ![– 20 Sheet Car Sound Deadening Mats with Sound Deadening Roller | 21.5sq.ft Self-Adhesive Sound Proofing Sheet, 275mil(7mm) Car Sound Absorbing Mat for Trunk Hood Door Floor Ceiling, 40x25cm - Image 5](https://m.media-amazon.com/images/I/71Ld8yfc2RL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Recommended as cheaper than other brands *by L***N on 13 March 2026* Cheaper than other brands and equally as good. You can really hear the difference ### ⭐ Rubbish *by D***N on 31 May 2026* Very cheap poor quality . Hardly any difference as light foam. Not the tacky heavyweight sound deadener as expected ### ⭐⭐⭐⭐⭐ good quality *by D***S on 19 November 2025* bought theese for second camper conversion does the job and much cheaper than alternative brands --- ## 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.us/products/623356462-20-sheet-car-sound-deadening-mats-with-sound-deadening-roller](https://www.desertcart.us/products/623356462-20-sheet-car-sound-deadening-mats-with-sound-deadening-roller) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-08-06*