3mm silver flooring underlay approx 2m left of the roll
https://www.ukflooringdirect.co.uk/products/cushion-ultra-silver-wood-15m2-underlay?srsltid=AfmBOorEpXV4M8c12hr0cPaG1NwsqNN4xJAPJGxlTS9PB-Vzr7ksnC1k
Silver underlay (Swiss Cottage)
This offer has been gifted to someone and is no longer available.