12.5 Square Foot Roll Deadbarrier Lite Automotive Sound Proofing Deadener CDL Aluminum Top Layer Universal Self stick 12.5 SQFT Material 45 Mil Thick

Good Stuff BUTYL But not as heavy as the 80 MIL Stuff So I used this on my Door of my 64 Chevy C10 the old doors had the heavier stuff it was noticeably heavier but not this stuff. One Roll did one door no problem

Excellent value.