Mattress specifications 2000 pocketed springs independent springs each respond to the contours of the body wool and cashmere fillings a range of luxury fillings providing comfort and resilience 4 rows of side stitching extra support to help keep the spring in place handles and vents double flag stitched handles for added strength ventilation holes aid air circulation firm tension this mattress is available in firm tension only standard base option this base is supplied from the bed