50 cm / 19.69 in N3 / #3 Invisible Tulle Zipper, Closed End ZPHSN0050TUL

This 50 cm / 19.69 in N3 / #3 invisible tulle zipper is a ready-length closed-end zipper for dresses, skirts, eveningwear, formal garments, tunics, and lightweight fashion products. Its concealed zipper construction keeps the coil close to the seam line, helping the closure remain discreet while the fabric, silhouette, and garment details stay visually dominant.

In a fitted dress or formal skirt, a zipper is not just a functional component. It affects how easily the customer can put on the garment, how smoothly the back or side seam sits, and how polished the finished product feels. A correctly selected invisible zipper supports a cleaner silhouette and helps the garment look intentionally finished instead of visibly assembled.

Where Can a 50 cm / 19.69 in Invisible Tulle Zipper Be Used?

This zipper is suitable for long dresses, formalwear, evening gowns, fitted skirts, tunics, costume garments, selected children’s apparel, and other lightweight products requiring a concealed fixed-bottom closure. The 50 cm / 19.69 in length can be useful when the wearer needs more opening room than a shorter skirt or dress zipper provides.

Always measure the actual zipper opening before ordering. A narrow fitted dress may require a longer opening than a loose dress of similar overall length. Consider the neckline, waist construction, hip ease, lining, seam allowance, fabric weight, and the way the garment must be put on and removed.

What Does Closed End Mean?

A closed-end zipper has a bottom stop that keeps both zipper tapes connected at the lower end. When the zipper is opened, the tapes do not detach completely. This makes it suitable for dresses, skirts, pants, pouches, pillow covers, and other fixed-bottom openings.

It is not suitable for jacket, coat, or vest fronts that need to separate fully at the hem. Those products require an open-end separating zipper with a bottom starter and separator.

N3 / #3 Invisible Coil Construction

This product is presented for the U.S. market as an N3 / #3 invisible nylon coil zipper. The lightweight tulle-style polyester tape helps create a more discreet zipper line in fine garment seams than larger, more structured zipper constructions.

The #3 size is suitable for dresses, skirts, formalwear, and lightweight garment construction. It should be tested before use in thick denim, heavy canvas, padded outerwear, rugged workwear, or high-load bag closures where a larger or more structured zipper type may be needed.

How to Choose the Correct 50 cm / 19.69 in Length

Measure the finished zipper opening rather than the overall garment length. For a dress, check the back opening, side seam, lining, waist structure, hip movement, and the space needed for the customer to dress comfortably. For a skirt, consider the waistband, placement at the side or center back, and the needed opening length.

A zipper that is too short can make a garment difficult to put on. A zipper that is too long may interfere with the lining, waist seam, shaping, or lower construction. A sample installation with the actual fabric layers is the most reliable way to confirm the correct zipper length.

Black 322 and Beige 489 Tape Colors

Black 322 tape works naturally with black, charcoal, navy, deep green, burgundy, and other dark garment colors. Beige 489 can complement cream, beige, tan, nude, camel, light brown, and warm neutral fashion palettes.

For the most discreet result, select a tape color close to the garment fabric. On sheer, lightweight, or lightly colored fabrics, always test the zipper against the real material before production because the tape can become more visible through the inside of the garment.

Sewing Tips for an Invisible Finish

Use an invisible zipper foot when possible so the stitch line can sit close to the coil. Align both garment edges carefully before sewing, and avoid stretching the tape or fabric during installation.

For sheer, soft, stretchy, lined, or loosely woven fabrics, make a sample with the actual fabric layers. Check that the zipper closes smoothly, the seam remains flat, and the tape does not create rippling, puckering, visible bulk, or a shadow through the garment surface.

When Should You Choose Another Zipper?

Choose a standard closed-end nylon zipper when visible teeth are acceptable or when the garment needs a more casual closure line. Choose a metal zipper for denim and workwear products where visible teeth are part of the style. Choose an open-end zipper for jacket and coat fronts that must separate fully from the bottom.

For a shorter concealed opening, compare the 40 cm / 15.75 in closed-end invisible tulle zipper. For a longer dress or formalwear opening, review the 60 cm / 23.62 in closed-end invisible tulle zipper.

To compare invisible zipper lengths, tape colors, and garment uses, browse the invisible nylon zippers collection.

Custom Colors and Production Requests

Invisible zippers can be developed with alternative lengths, tape colors, puller styles, branded pullers, and garment-specific requirements. For a custom request, share the intended garment type, target zipper length, requested tape color, estimated quantity, and any reference sample or technical requirement.

Frequently Asked Questions

Is this an open-end separating zipper?

No. This is a closed-end zipper with a bottom stop. The zipper tapes remain connected at the lower end.

What garments can use this zipper?

It is suitable for long dresses, formalwear, skirts, tunics, lightweight apparel, and other concealed fixed-bottom closures.

What does N3 / #3 mean?

N3 / #3 identifies the invisible nylon coil zipper size used for lightweight garment construction.

Can I use it for a jacket front?

No. A jacket or coat front that opens fully at the hem requires an open-end separating zipper.

What tape colors are available?

The available tape colors are Black 322 and Beige 489.

What is the minimum order quantity?

The minimum order quantity is 5 pieces.