A folding box for closing with a lid, comprising: • a bottom wall having a polygonal base, • side walls (3, 4, 5, 6) which are connected via lower fold lines (7, 8, 9, 10) to the lateral edges of the bottom wall, • pairs of two triangular tabs (11.1, 11.2 to 14.1, 14.2) in each case, which are connected to one another via a central fold line (15.1 to 18.1) and each of which is connected via an outer fold line (15.2, 15.3 to 18.2, 18.3) to a lateral edge of one of the two adjacent side walls (3, 4, 5, 6), wherein the triangular tabs (11.1, 11.2 to 14.1, 14.2) are folded about the central fold line (15.1 to 18.1) against one another and against one of the two adjacent side walls (3, 4, 5, 6), and • locking tabs (21, 22) which are connected via upper fold lines (19, 20) to the upper edges of two opposite side walls (3, 5) each have a strip-shaped central portion (23, 24) and, on both sides of the central portion, end portions (25, 26, 27, 28) having an increased height compared to the central portion, wherein the central portions are pivoted outwardly about the upper fold lines with respect to the side walls, as a result of which a lid having an outer collar running around the bottom of the lid can be placed on the upper edge of the side walls (3, 4, 5, 6) and can be snap-fitted with snap-on elements on the inside of the outer collar, characterized in that • the end portions (25, 26, 27, 28) are glued to the outsides of the side walls (3, 4, 5, 6), • fold lines (29.1, 29.2, 30.1, 30.2) which are extended upward from the ends of the central portion (23, 24) and inclined away from one another are provided, • the central portions (23, 24) are pivoted about the upper fold lines (19, 20) into a pivoted position which is held in place with respect to the side walls (3, 4, 5, 6) and via the inclined fold lines (29.1, 29.2, 30.1, 30.2) at the end portions (25, 26, 27, 28), • the lid can be snap-fitted with the snap-on elements on the inside of the outer collar with the central portions (23, 24). • a bottom wall having a polygonal base, • side walls (3, 4, 5, 6) which are connected via lower fold lines (7, 8, 9, 10) to the lateral edges of the bottom wall, • pairs of two triangular tabs (11.1, 11.2 to 14.1, 14.2) in each case, which are connected to one another via a central fold line (15.1 to 18.1) and each of which is connected via an outer fold line (15.2, 15.3 to 18.2, 18.3) to a lateral edge of one of the two adjacent side walls (3, 4, 5, 6), wherein the triangular tabs (11.1, 11.2 to 14.1, 14.2) are folded about the central fold line (15.1 to 18.1) against one another and against one of the two adjacent side walls (3, 4, 5, 6), and • locking tabs (21, 22) which are connected via upper fold lines (19, 20) to the upper edges of two opposite side walls (3, 5) each have a strip-shaped central portion (23, 24) and, on both sides of the central portion, end portions (25, 26, 27, 28) having an increased height compared to the central portion, wherein the central portions are pivoted outwardly about the upper fold lines with respect to the side walls, as a result of which a lid having an outer collar running around the bottom of the lid can be placed on the upper edge of the side walls (3, 4, 5, 6) and can be snap-fitted with snap-on elements on the inside of the outer collar, characterized in that • the end portions (25, 26, 27, 28) are glued to the outsides of the side walls (3, 4, 5, 6), • fold lines (29.1, 29.2, 30.1, 30.2) which are extended upward from the ends of the central portion (23, 24) and inclined away from one another are provided, • the central portions (23, 24) are pivoted about the upper fold lines (19, 20) into a pivoted position which is held in place with respect to the side walls (3, 4, 5, 6) and via the inclined fold lines (29.1, 29.2, 30.1, 30.2) at the end portions (25, 26, 27, 28), • the lid can be snap-fitted with the snap-on elements on the inside of the outer collar with the central portions (23, 24).