Abstract: Some embodiments relate to a box lid blank comprising side panels and end panels adapted to be connected to form a rectangular structure, side flaps and end flaps extending from the respective side panels and end panels and connected thereto along fold lines or score lines, folding portions of said end flaps being adapted to be secured to opposed facing portions of the side flaps and to extend outwardly from the side and end panels when the rectangular structure is folded flat, said end flaps and the secured folding portions being shaped such that the secured folding portions draw the end and side flaps inwardly towards a closed position with respect to the side and end panels when the rectangular structure is formed from its folded flat condition to thereby form a lid.