See it here at Mattressman.co.uk:
http://www.mattressman.co.uk/product.aspx?page_id=1&size_id=4&PID=302
This is Silentnight's Miracoil 3 Silver Label mattress. Rated as medium to firm, this micro-quilted mattress has a generous amount of filling, coming to 22cm deep. With a generous 5-year manufacturer's guarantee, the Silver Label features Silentnight's trademark Miracoil spring unit, designed to eliminate roll-together. With luxury hollowfibre fillings and damask fabric, the Silver Label is a magnificent starter mattress.