What is a sacramental?
Sacramentals remind us of the divine mysteries as an aid to the Christian life. The Catechism of the Catholic Church states, 1667. Holy Mother Church has, moreover, instituted sacramentals. These are sacred signs which bear a resemblance to the sacraments. They signify effects, particularly of a spiritual nature, which are obtained through the intercession of the Church. By them men are disposed to receive the chief effect of the sacraments, and various occasions in life are rendered holy. (Second Vatican Council, Sacrosanctum Concilium)