A pouch type package for fluid contents, comprising two opposite flexible side walls (2 ,3) forming a top corner portion (6) which is provided with an opening initiation (7) along which a tab (8) is to be separated for opening of the package. The opening initiation (7) comprises a first tear line (12) provided in a first (2) of the two opposite flexible side walls (2, 3) and a second tear line (3) provided in a second (3) of the two opposite flexible side walls (2, 3). The first and second tear lines (12, 13) extend in an at least partly non-overlapping manner such that a wall section (18) of an inner surface of the first side wall (2) is exposed after separation of the tab (8). The invention also relates to a method of adaptation of a pouch type package (1) for enabling insertion of a straw (20).
