An inventory control tag comprises a first component, a second component, and a fastening mechanism for fastening together the first component and the second component. The fastening mechanism is configured such that the first component and the second component can be easily locked together and can only be unlocked from each other in normal usage by an external tool. At least one chamber defined by at least one of the first and second components is provided. Further, an electronic device is located in one of the chambers for triggering a compatible sensor and alarm system external to the control tag. A dye container located in one of the chambers designed to fracture and spill dye when the first and second components are forced apart.