The Contact RFI is packaged with the materials of Polyurethane Foam, Nickel-Copper Polyester (NI/CU).Type Fabric Over Foam from the contacter RFI.As you may know, this RFI EMI comes from the well-known 51K series product line.
4742AB51K00075 Features
Fabric Over Foam 51K series
4742AB51K00075 Applications
There are a lot of Laird Technologies EMI 4742AB51K00075 RFI and EMI Contacts applications.