https://www.ebay.com/sch/i.html?_nkw=3M+3M+Ab5010+4+13+X+5+25+Emi+Absorber+4+13+X5+Pk25+G5733211&_sacat=0&_dmd=2

3M 3M Ab5010 4.13 X 5-25 Emi Absorber,4.13'X5',Pk25 G5733211

Regular price
$296.00
Sale price
$208.00

EMI Absorber, 4.13 In. x5 In, PK25, Package Quantity 25, Tapecase product manufactured from 3M material