The door skin of the car is soundproof due to door issues or strong closure.

Sound insulation piece for car door lock that has a noise problem, door vibration, especially on bumps or when kids slam the door hard—this piece reduces the noise significantly 👌🏼 You can test it before buying. Price for a set of 4 is 30﷼. You can also buy 2 for 20﷼. Available in large, medium, and small sizes. Fits all types and sizes of cars. For inquiries, contact via the number in the last picture.