Closure device and slider

A container comprising first and second sidewalls, said first and second sidewalls including first and second fastening strips respectively, said first and second fastening strips comprising a closure device arranged to be interlocked over a predetermined length, said first fastening strip includes a first closure element, said second fastening strip includes a second closure element, a slider with a separator finger which slidably engages said first and second fastening strips, said slider facilitates the occlusion of said closure elements when moved towards a first end of said fastening strips, said separator finger extends into said closure elements without extending completely through said closure elements;

• wherein portions of the closure elements are below the separator finger, said portions are occluded when the slider is at the first end of said fastening strips;
• wherein said first closure element comprises a first web and a second web, said first web spaced from said second web, said first web terminating in a first closure portion, said second web terminating in a second closure portion, said second closure element comprises a third web and a fourth web, said third web spaced from said fourth web, said third web terminating in a third closure portion which engages said first closure portion, said fourth web terminating in a fourth closure portion which engages said second closure portion, said portions of the closure elements below the separator finger are the second closure portion and the fourth closure portion, said separator finger extends between the first closure portion and the third closure portion;
• and
• wherein said first fastening strip includes a first wing and a second wing, said first wing and said second wing are disposed outside of the space between said first web and said second web.