The invention relates to a method for decontaminating a mattress (14) or other effect of bed bugs comprising the steps of: Placing the mattress or other effect in a hermetically sealable container (10) of a size and shape commensurate with that of the mattress or other effect Inserting an appropriate quantity of an oxygen scavenger (16) into the container Hermetically sealing the container so as to prevent ingress of oxygen and Leaving it for a time sufficient for the oxygen levels to be depleted to less than 0.2% and the bed bugs and their eggs and larvae to be destroyed. It also relates to a kit of parts for implementing the method.