Corrugated board having a layered structure, the layered structure comprising: a first outer uncorrugated layer defining a first surface of the corrugated board; a second outer uncorrugated layer defining a second surface of the corrugated board; a plurality of corrugated layers arranged between the first outer uncorrugated layer and the second outer uncorrugated layer, each corrugated layer having flutes running in the same direction as the other corrugated layers of the plurality of corrugated layers; one or more intermediate uncorrugated layers, each intermediate uncorrugated layer interposed between and attached to a respective pair of the plurality of corrugated layers, wherein when the corrugated board is bent from a flat state in a first bending direction about a first axis extending along the direction of the flutes such that the second outer uncorrugated layer becomes the inside of the bent structure, a sequential group of uncorrugated layers selected from the second outer uncorrugated layer and the one or more intermediate uncorrugated layers buckle before the first outer uncorrugated layer buckles, each layer of the sequential group of uncorrugated layers buckling along a plurality of lines arranged between sequential peaks of an adjacent corrugated layer, wherein the bending stiffness of the first outer uncorrugated layer is higher than the bending stiffness of the second outer uncorrugated layer, and wherein the bending stiffness of each of the second outer uncorrugated layer and the one or more intermediate uncorrugated layers satisfies the equation EI < SCT × λ 2 / 4 × π 2 in which: EI represents the bending stiffness of the layer about the direction of the flutes; SCT represents the compression strength of the layer perpendicular to the direction of the flutes; and λ represents the length between two peaks of the adjacent corrugated layer in a radially outward direction relative to the first bending direction. a first outer uncorrugated layer defining a first surface of the corrugated board; a second outer uncorrugated layer defining a second surface of the corrugated board; a plurality of corrugated layers arranged between the first outer uncorrugated layer and the second outer uncorrugated layer, each corrugated layer having flutes running in the same direction as the other corrugated layers of the plurality of corrugated layers; one or more intermediate uncorrugated layers, each intermediate uncorrugated layer interposed between and attached to a respective pair of the plurality of corrugated layers, wherein when the corrugated board is bent from a flat state in a first bending direction about a first axis extending along the direction of the flutes such that the second outer uncorrugated layer becomes the inside of the bent structure, a sequential group of uncorrugated layers selected from the second outer uncorrugated layer and the one or more intermediate uncorrugated layers buckle before the first outer uncorrugated layer buckles, each layer of the sequential group of uncorrugated layers buckling along a plurality of lines arranged between sequential peaks of an adjacent corrugated layer, wherein the bending stiffness of the first outer uncorrugated layer is higher than the bending stiffness of the second outer uncorrugated layer, and wherein the bending stiffness of each of the second outer uncorrugated layer and the one or more intermediate uncorrugated layers satisfies the equation EI < SCT × λ 2 / 4 × π 2 in which: EI represents the bending stiffness of the layer about the direction of the flutes; SCT represents the compression strength of the layer perpendicular to the direction of the flutes; and λ represents the length between two peaks of the adjacent corrugated layer in a radially outward direction relative to the first bending direction. EI represents the bending stiffness of the layer about the direction of the flutes; SCT represents the compression strength of the layer perpendicular to the direction of the flutes; and λ represents the length between two peaks of the adjacent corrugated layer in a radially outward direction relative to the first bending direction.