Packaging (1) in which first and second layers (11, 12) are coupled to one another and arranged with a built-in areas of weakness (21) on part of the first layer (11) exposed outside of the packaging (1). The built-in areas of weakness (21) is arranged such that breaking the first layer (11) at the built-in area of weakness (21) thereof enables the first layer (11) to act on the second layer (12) to unfold the second layer (12) to thereby open the packaging (1).
