Long life 12.5 open coil spring unit, the most popular springing system in the world with the softness of 2" memory foam layer. It comes with a stitched boarder, which gives this mattress a firm edging and a lasting profile. With its distinctive spiral pattern stitching, the aptly named Indulgence is designed to deliver comfort and contentment to all those who take their bedtime enjoyment very seriously.
eBay