There are materials in the Contact RFI package from Polyurethane.A type of Fabric Over Foam is provided by the contacter RFI.The RFI EMI comes from the well-known 51G series.
4787AB51G00315 Features
Fabric Over Foam 51G series
4787AB51G00315 Applications
There are a lot of Laird Technologies EMI 4787AB51G00315 RFI and EMI Contacts applications.