Cotton Pocket 1200 Chenille. A British made mattress with a super soft knitted cover. 1200 pocket springs provide good support with a medium to firm feel. A layer of iSoft fibre combined with naturally cool, luxury cotton fillings makes for a comfortable mattress. British Bed Company's own Bulldog Border, working in tangent with a rod edge, extends the sleeping surface and stops the sides from sagging. And buy this Cotton Pocket 1200 Chenille Now £319.00.