Royal British Legion Poppy Zip Puller Pack of Two

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Zippers are sized by measuring the width of the teeth, while the zipper is closed, in millimeters. So, a #5 zipper has 5mm wide teeth. That seems easy enough, right? But why does this matter? Retaining Box/Starter Box: Separating zippers don't have a bottom stop, instead they have a retaining box and insertion pin mechanism. The retaining box is the larger metal or plastic piece located on one side of the zipper tape below the teeth. The purpose of this box is to get the insertion pin in position, aligning the two sides of zipper teeth, and allowing the zipper to close.

The downside to coil zippers is that the thin teeth can be prone to getting bent or damaged over time. Molded Plastic Zippers Most zipper sliders work from the toothed side of the zipper. This means that the teeth will be facing towards the outside of your project, which is great for most applications.Most sewing patterns don't recommend a zipper size, they just give you a length. So you'll have to choose the size yourself! Keep this in mind while selecting a zipper size: the larger the size, the wider and more conspicuous the teeth will be - and the heavier the zipper will be.

Top Stop: The top zipper stop is a metal or plastic piece secured to each side of the zipper tape above the teeth. This prevents the zipper slider from coming off the top of the zipper. Some zippers have a top stop on each piece of zipper tape, while others have one top stop that goes across both sides of zipper tape. Double zipper sliders are somewhat similar to reversible sliders in that they work from both sides. However, instead of having a pull tab that moves from one side to the other, they have two tabs - one on each side. These 2 types of zippers have slightly different parts because they function differently. The Parts of a Zipper Metal zippers are perfect for bags, pants, and outerwear that will receive a lot of wear and tear. However, there are a few negatives to using metal zippers. First, the teeth of an invisible zipper are curled underneath the tape, hiding them from view. In addition, the slider is usually very narrow to allow it to hide easily within a seam.

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Most sewing patterns will recommend a length of zipper for the project. To find the length of a zipper, measure from the top stop to the bottom stop. Or, if you're using a separating zipper, from the top stop to the retaining box. Non-separating zippers don't come apart completely. Sometimes the bottom of the zipper doesn't come apart and sometimes both the top and bottom remain attached. Because we craft every piece of jewelry by hand, all dimensions are approximate. Subtle variations are natural. A one-way zipper is your standard zipper. This type of zipper has only one zipper slider and can only be zipped up in one direction. A basic one-way zipper will work great for most garments, bags, and home decor projects. Head-to-Head Zippers A head-to-head zipper is a type of two-way zipper with sliders that are facing towards each other on the tape. To close a head-to-head zipper, the sliders must be pulled in towards each other, while to open the zipper they are pulled apart.