https://www.ebay.com/sch/i.html?_nkw=3M+3M+Ab5010+4+13+X+6+25+Emi+Absorber+4+13+X6+Pk25+G5733187&_sacat=0&_dmd=2

3M 3M Ab5010 4.13 X 6-25 Emi Absorber,4.13'X6',Pk25 G5733187

Regular price
$349.00
Sale price
$249.00

EMI Absorber, 4.13 In. x6 In, PK25, Package Quantity 25, Tapecase product manufactured from 3M material