Harrison Spinks Components has a long history of innovation in components and by utilising patented machinery and design technology; we are able offer our unique Posturfil and HD springs for use in a wide range of applications such as Mattresses, sofabed mattresses, seating cushions and backs.The unique properties of the pocket spring is that the height starts from as low as 18mm (HD) upto 38mm (Posturfil) and can contain over 2000 springs per 150x200cm sheet, thus increasing comfort and resilience.Please visit our website for further details.