If a zipper track won't stay closed, the back of the slider may have widened. Lightly clamping the "butt end" of the slider with pliers can restore the necessary pressure to re-engage the teeth. Universal Solutions: Kits like the Go to product viewer dialog for this item.

offer kits containing various slider sizes and top/bottom stops to fix both split (separating) and closed-loop zippers. Expert Installation Techniques

For those sewing their own projects, specific techniques ensure a professional finish and long-term durability.