The Terrific TopperEach of our Terrific Toppers are made by hand, to order, in our Devon workshop. It is this attention to detail that separates them from the rest. At a substantial 6cm in depth, the Terrific can make a big difference to an uncomfortable mattress, or add an extra layer of luxurious softness to your bed. We start with a combination of two of natures finest mattress making materials. First, a core of natural latex the sap from the Hevea rubber tree,