Here we have a total of 8" of cotton with a thicker higher resolution foam topper. The coil is 312 coil size, 13 ½ gauge wire, 4 turn coil, held together with 17 ½ gauge facing helicoil wire. Wrapped with supreme duralator pads against the coil, add the high resolution foam and layers of cotton batting and you have a superior every night sleep surface and/or a comfortable sofa seat.

Full size spring on sale....black color reg $329