摘要 |
A container (10) of flexible material comprises a wall (16) having a row of serrations (18) therein extending diagonally of a corner thereof and an internal sheet (19) which is adhesively secured to an inner surface of the wall (16) by peelable pressure sensitive adhesive (20) and by upper and lower seals (13,14) to provide the container (10) with a tamper evident airtight closure. |