The relyon marlow 1400 handmade mattress is an elegantly designed mattress upholstered with a cashmere and silk blend together with the finest lambswool and cottoneach pocketed spring is nested in a honeycomb pattern and hand tied with linen cord as you move the pocketed springs shape perfectly to your individual body contours due to each spring having its own independent actionthe mattress is finished with four rows of side stitching silver plus anti bacterial protection and an anti allerge