his link doesn't work for me, but i think this is what he wanted to link to
https://www.amazon.com/AmazonBasics-Sound-Deadener-15-7%E2%80%B3-34-Piece/dp/B07XJ5MVQ8/ref=sr_1_5?keywords=car%2Bsound%2Bdeadening%2Bmaterial&qid=1652666687&sr=8-5&th=1