The airsprung sleepwalk gold mattress provides a great level of support and comfort this great value mattress contains the more supportive 125 gauge supercoil spring unit which creates a stable and supportive sleeping surface the mattress is covered in a soft and lavish knit cover with plush micro quilting 125 gauge supercoil spring unit soft white polyester fillings multi quilt panel border 15cm stitchbond soft knitted fabric ticking compressed and rolled for easy of delivery