A composition is described comprising: a wax composition comprising at least one volatile material a liquid or gel composition comprising at least one volatile material wherein the wax composition completely or substantially completely surrounds the liquid or gel composition and wherein the at least one volatile material comprises at least one of: a fragrance an insecticide a pesticide. The wax composition is arranged to have one or more sections having reduced thickness compared to the other sections of wax and is shaped to permit a user to snap away a dosage block of the predetermined size without exposing the liquid or gel composition in the remaining blocks. The wax composition is intended for use in heat and melt the wax into a pool of molten wax from which the volatile evaporates. Methods of manufacture thereof and a volatile material emanation system comprising a heating device and a wax composition are also described.