<p>Thermal insulation comprising a boundary comprising a first boundary section, a second boundary section and a third boundary section which connects the first and second boundary sections together; and an internal insulating region inside the boundary and configured to thermally insulate the first boundary section from the second boundary section; wherein the third boundary section follows an indirect path between the first and second boundary sections. An apparatus configured to volatilize components of smokable material, comprising the insulation, is also described.</p>
