40 cm / 15.75 in N3 / #3 Invisible Tulle Zipper, Closed End ZPHSN0040TUL

This 40 cm / 15.75 in N3 / #3 invisible tulle zipper is a ready-length closed-end zipper for dresses, skirts, formalwear, tunics, lightweight fashion garments, and other products where the closure should support the design without becoming a visible feature. When installed correctly, the coil remains concealed within the seam so the garment keeps a smooth, uninterrupted exterior line.

An invisible zipper is more than a fastening detail. In fitted dresses, skirts, and occasionwear, it can affect how the garment drapes, how cleanly the back or side seam sits, and how polished the product feels to the customer. A zipper that closes smoothly and stays hidden helps the fabric, silhouette, and design details receive the attention they deserve.

Where Can a 40 cm / 15.75 in Invisible Tulle Zipper Be Used?

This zipper is suitable for dresses, skirts, eveningwear, formal garments, tunics, selected children’s apparel, costume projects, lightweight outerwear, and other fixed-bottom closures. The 40 cm / 15.75 in length can work well for dress backs, side openings, fitted skirt closures, and medium-to-long garment openings that require more room for dressing.

Always measure the actual zipper opening before ordering. A slim dress may need a longer closure opening than a loose dress with the same total length. Consider the neckline, waist, hip movement, lining, seam allowance, garment shape, and the ease needed for the wearer to put on and remove the item.

What Does Closed End Mean?

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

It is not intended for jacket, coat, or vest fronts that need to separate fully at the hem. Those garments 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 the zipper sit discreetly in lightweight garment seams without adding the visual bulk of larger zipper structures.

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

How to Choose the Correct 40 cm / 15.75 in Length

Measure the zipper opening rather than the full garment length. For a dress, review the back opening, side seam, waist shape, lining, hip ease, and the garment’s intended dressing method. For a skirt, consider the waistband, side or center-back placement, and how much opening is required for comfort.

A zipper that is too short can make the garment difficult to put on. A zipper that is too long may interfere with the waistband, lining, seam shaping, or hem structure. A test installation with the actual fabric is the most reliable way to confirm the right length.

Green 258 Tape Color

The listed zipper tape color is Green 258. It can coordinate naturally with emerald, forest green, teal, olive, mint, aqua, and other green-based color palettes. On lightweight or partly sheer fabric, test the color against the material before production because the tape may be more noticeable from the inside or through translucent layers.

For a refined finished result, compare the zipper tape with the shell fabric, lining, thread color, waistband facing, trim, labels, buttons, and other visible garment details. A closely coordinated color helps preserve the invisible zipper effect.

Sewing Tips for a Smooth 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, lightweight, stretchy, lined, or loosely woven fabrics, make a sample with the real fabric layers. The zipper should close comfortably, the seam should remain flat, and the tape should not create puckering, rippling, visible bulk, or a shadow through the garment surface.

When Should You Choose Another Zipper?

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

For a shorter concealed closure, compare the 30 cm / 11.81 in #3 hidden tulle dress and skirt zipper. For another 40 cm option in the same length group, review the 40 cm / 15.75 in #3 hidden tulle dress and skirt zipper options.

To compare invisible zipper lengths, 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, 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 dresses, skirts, formalwear, tunics, lightweight garments, and other fixed-bottom concealed 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 color is listed for this product?

The listed zipper tape color is Green 258.

What is the minimum order quantity?

The listed minimum order quantity is 5 pieces.