Patent ID: 7338209

Claim:
A container, bag, pouch or envelope which is closed by one part ( 2 ) locating over a second part ( 1 ), the second part ( 1 ) having an opening ( 7 ) for receiving a head ( 14 ) of a breakable seal ( 13 ) which seal comprises said head and body part with a breakable connection therebetween and locks into the opening in such a manner that it cannot be removed without breaking, the seal ( 13 ) in its inserted position locking the one part ( 2 ) in place over the second part ( 1 ) in a tamper evident fashion, characterized in that the second part ( 1 ) has a shoulder ( 17 ) external of and at either side of the opening ( 7 ) and the seal ( 13 ) has on an underside of the body part at least one recess ( 19 ) for registration with the shoulders ( 17 ), wherein the shoulders have a height that is greater than a thickness of the one part ( 2 ) so that the shoulders protrude above the one part ( 2 ) when the one part ( 2 ) is located over the second part ( 1 ).