Abstract: A separator of items of the bottle type from a cardboard template, with said separator comprising a longitudinal partition wall that separates two opposing rows of bottles and a set of vertical foldable flaps that prevent the lateral contact between bottles of the same row. The separator comprises a first type of sheet and a second type of sheet. Each sheet has a central partition wall and two vertical, equidistant each other flaps. Each flap comprises two vertical adjacent portions, one distal portion and one proximal portion. The flaps are joined to its corresponding sheet through vertical folding lines. These folding lines are located in the vertical direction of the partition wall and are laterally displaced in relation to an imaginary plane which is perpendicular to the partition wall, going through bottles of the same row of bottles. This displacement is equal to about one fourth the bottle diameter.