Kaymed have over a century’s expertise at the forefront of sleep technology and are the leading innovator in the gel and visco-elastic technologies. The Thermaphase Harmonise 1200 is a high density pressure relieving mattress, containing unique phase change crystals and copper particles.The phase change crystals work by continuously absorbing and releasing body heat to maintain the perfect sleep surface temperature. The copper infusion works as a super-fast conductor, quickly moving heat to and from the mattress surface as required.  Copper is also naturally anti-bacterial and anti-viral. Working with the 1200 pocket springs (based on a King Size), Thermaphase+ Harmonise 1200 is designed to respond immediately to any body movements, giving optimum support and comfort which is essential for a restful night’s sleep. Mattress only - headboard and divan bases sold separately. Turn free mattress - head to toe rotation recommended Hypo-allergenic, anti-microbial and dust mite resistant Pressure relieving Tempurature regulating Pocket sprung firm edge mattress  *Please note, all screens vary in colour reproduction and whilst every effort has been made to display the colour as accurately as possible it is for guidance only.