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A closure arrangement for a polymeric bag has a pair of opposing films joined at a fold line and perforated along the fold line. The arrangement includes a base strip, a pair of heat-resistant strips, and a peelable strip composed of peelable material. The base strip has opposing inner and outer sur

A closure arrangement for a polymeric bag has a pair of opposing films joined at a fold line and perforated along the fold line. The arrangement includes a base strip, a pair of heat-resistant strips, and a peelable strip composed of peelable material. The base strip has opposing inner and outer surfaces, and the outer surface of the base strip is securably arranged with respect to one of the pair of opposing films of the polymeric bag. The pair of heat-resistant strips are securably arranged to the inner surface of the base strip, and are spaced from each other so as to form a gap therebetween. The peelable strip includes a first portion having opposing first and second surfaces and a stem portion extending perpendicular to the first surface of the top portion. The stem portion extends into the gap between the pair of heat-resistant strips and is arranged with respect to the inner surface of the base strip. Various other closure arrangements are also disclosed.

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[ What is claimed is:] [1.] A bag comprising:first and second opposing films joined at a fold line and being perforated along the fold line;a first base strip having inner and outer surfaces, the outer surface of the first base strip being attached to the first film of the polymeric bag;a pair of he

[ What is claimed is:] [1.] A bag comprising:first and second opposing films joined at a fold line and being perforated along the fold line;a first base strip having inner and outer surfaces, the outer surface of the first base strip being attached to the first film of the polymeric bag;a pair of heat-resistant strips attached to the inner surface of the first base strip and being spaced from each other so as to form a gap therebetween; anda peelable strip including a first portion having opposing first and second surfaces and a stem portion extending substantially normal to the first surface of the first portion, the stem portion extending into the gap between the pair of heat-resistant strips and arranged with respect to the inner surface of the first base strip to provide a seal from the peelable strip to the base strip, the first surface of the first portion forming a plane opposing the pair of heat-resistant strips.