10M Sound Deadening Roll 5m² Car Van Insulation 10mm Thick Closed Cell Foam Mat

The sound deadening mat is 10mm thick, which is better than ordinary silencer cushions. 10m Camper Van Insulation Roll Self-adhesive 10mm Closed Cell Foam Soundproof UK. Cut to the right size for your needs, peel off the kraft coloured protective paper and stick to the desired area.

eBay