This 13. 5 gauge bonnell sprint unit mattress, this Deluxe Sepi-Orthopadic Mattress provides a 900gsm spring insulator pad and 600gsm polyester filling to help you get the best night\'s sleep. With high quality stitch quilting, and an oyster damask ticking this bed provides the maximum semi orthopaedic comfort level you need. FEATURES : Material : Quilted Damask Fabric, Bonnell Metal Spring Unit Finish : White Made Exclusively in the UK 13. 5 Gauge Bonnell Spring Unit Rod Edge Supports 900gsm Spring Insulator Pad 600gsm Polyester Filling High quality stitch quilting and an oyster damask ticking Quilted border with air vents allowing fresh air to circulate through your mattress Most classy and unique piece of furniture Matching furniture available Images shown are for illustration purpose only Available at an affordable price DIMENSIONS : Height : 23cm Width : 122cm Depth : 190cm Mattress Depth : 23cm