A blank of cardboard or plastics, the blank comprising a transverse fold line dividing the blank into a bearing portion and a support portion, the bearing portion having an aperture to accommodate the neck of a bottle or wall of a drinking glass or cup, the support portion being foldable under the bearing portion and terminating in at least one leg which is foldable relative to the support portion and arranged to co-operate with an underside of the bearing portion and to bear against a side of the neck or wall of the bottle or glass whereby the bearing portion is supported to extend laterally from the bottle or glass.