The Contact RFI is packaged with the materials of Polyurethane Foam, Nickel-Copper Taffeta (NI/CU).Type Fabric Over Foam from the contacter RFI.As you may know, this RFI EMI comes from the well-known 51H series product line.
4693PA51H00750 Features
Fabric Over Foam 51H series
4693PA51H00750 Applications
There are a lot of Laird Technologies EMI 4693PA51H00750 RFI and EMI Contacts applications.