Tired of road noise and rattles in your car? These uxcell sound deadener mats can really quiet things down. You get 18 sheets, each about 19.7 x 11.8 inches, adding up to 29.06 square feet of coverage. They're 10mm thick (that's almost 0.4 inches) and made from a cotton-blend material that's great at absorbing vibrations and blocking heat. The self-adhesive backing makes installation pretty easy—just clean the surface, peel, and stick. They work on doors, floors, roofs, hoods, even wheel wells. Besides cutting noise, they help keep your cabin cooler by blocking engine and sun heat, which can save some A/C energy. They're water-resistant and won't soak up moisture, so no mold worries. The mats are flexible enough to contour around curves, and you can cut them to fit tricky spots. Use a roller to smooth out air bubbles for the best seal. They're perfect for cars, trucks, SUVs, vans—any vehicle where you want a quieter, more comfortable ride. At 10mm, they're thick enough to make a noticeable difference without adding tons of weight. If you're into car audio, these help reduce panel vibrations for cleaner sound. Overall, a budget-friendly way to upgrade your interior comfort. Just take your time during installation, and you'll enjoy a much quieter drive.