Zipper guides

Short, practical guides on zipper sizes, finishes and choosing the right supplier.

Metal zipper and slider on a jacket
Latest article

The history of the zipper: who invented it and how it caught on

A short, source-checked history of the zipper, from Elias Howe's 1851 patent to Judson, Sundback, the name "zipper", jeans, YKK and nylon coil.

5 min readRead more

All guides

Closed-end metal zipper with a blue tape
Sizes

Zipper sizes explained: a guide to Sizes 3, 4.5, 5, 8 and 10

What does a zipper size number mean, and which size should you use for jeans, jackets or bags? A size chart for metal and nylon zippers.

4 min read
Metal zipper slider and puller, close-up
Finishes

Metal zipper finishes: nickel, brass, antique and gunmetal

Nickel, antique brass, gold, gunmetal, black oxide… What metal zipper finishes are there, and which finish suits which product?

3 min read
Nylon coil zipper with a grey tape
Comparison

Metal vs nylon zippers: differences and how to choose

The differences between metal and nylon (coil) zippers: strength, look, flexibility and typical uses. Which one is right for your product?

2 min read
Closed-end metal zipper with a blue tape
Sourcing

Choosing a zipper manufacturer in Turkey: a 7-point checklist

Sourcing wholesale zippers from Türkiye? Check these 7 points: samples, in-house production, sizes, finishes, craftsmanship, communication and export experience.

3 min read
Nylon coil zipper with a grey tape
Size 3

What is a Size 3 zipper and where is it used?

A Size 3 zipper belongs to the lightweight class. Learn its typical width, common uses, metal and coil options and how to choose it.

2 min read
Closed-end metal zipper with a blue tape
Size 5

What is a Size 5 zipper and where is it used?

How wide is a Size 5 zipper and which products use it? A guide to choosing Size 5 metal and coil zippers for jeans, jackets, bags and leather.

3 min read
Separating molded zipper with black tape and grey teeth
Size 8

What is a Size 8 zipper and where is it used?

A Size 8 zipper belongs to the medium-heavy class. Learn its typical width and how it is used on coats, bags, boots and luggage.

2 min read
Separating molded zipper with black tape and grey teeth
Size 10

What is a Size 10 zipper, how wide is it and where is it used?

Why a Size 10 zipper may not measure exactly 10 mm. Heavy-class zipper widths and uses on overcoats, workwear, tarpaulins and luggage.

2 min read
Closed-end metal zipper with a blue tape
Metal

What is a metal zipper? Features and common uses

How metal zippers are made, what they are made of and where they are used, plus their advantages, limits and care tips.

2 min read
Nylon coil zipper with a grey tape
Nylon

What is a nylon coil zipper? How it differs from metal and molded

Why most 'nylon' zippers are actually polyester. Coil zipper construction, typical uses, advantages and limits.

2 min read
Separating molded zipper with black tape and grey teeth
Molded

What is a molded plastic zipper? Compared with coil and metal

Molded plastic zipper construction, typical uses and how it differs from nylon coil and metal zippers.

3 min read
Nylon coil zipper with a grey tape
Invisible

What is an invisible zipper and how do you sew it correctly?

Where invisible zippers are used, which sizes exist and why they burst. Practical tips for sewing them correctly.

2 min read
Metal zipper and slider on a jacket
Water

Waterproof vs water-repellent zippers: what is the difference?

A water-repellent zipper is not waterproof. How the two types are built, where they are used, and ironing and washing advice.

3 min read
Close-up of continuous zipper chain
Chain

What is continuous zipper chain and how do you choose its slider?

Continuous zipper chain, or zipper by the yard, explained: typical uses, slider compatibility, cutting and production tips.

2 min read
Separating molded zipper with black tape and grey teeth
End types

Closed-end vs open-end zippers: zipper end types explained

The differences between closed-end, open-end and two-way zippers, and which end type suits which product.

3 min read
Half-open grey nylon coil zipper
X / O

X and O type two-way zippers: what is the difference?

X vs O type zippers: how the sliders sit and when the zipper is closed, plus how to choose for bags, luggage and sleeping bags.

3 min read
Black-coated metal zipper slider and puller
Sliders

Zipper slider types: auto-lock, semi-lock, non-lock and reversible

A guide to zipper sliders: auto-lock, semi-lock, non-lock, pin-lock, reversible and double-pull, and which suits which product.

3 min read
Metal zipper slider and puller, close-up
Fit

Which slider fits which zipper? Size and chain compatibility

When choosing a zipper slider, size alone is not enough: the chain type must match too. How to read a slider and what happens if it does not fit.

3 min read
Metal zipper slider and puller, close-up
Pullers

Zipper puller types and custom logo pullers

Metal, PVC, leather and cord pullers. What to know when ordering custom logo zipper pulls, and common risks in use.

2 min read
Closed-end metal zipper with a blue tape
Parts

Parts of a zipper: tape, teeth, slider, stops, pin and box

Zipper part names and what they do: tape, teeth, chain, slider, puller, top and bottom stops, insertion pin and retainer box.

2 min read
Brass-tooth metal zipper on a blue tape
Denim

Which zipper should you use for jeans?

What size zipper do jeans need? Metal teeth, semi-lock sliders, finishes and what to watch in stone washing.

3 min read
Half-open grey nylon coil zipper
Choosing

Coats, bags, tents, luggage: choosing a zipper by use

Which zipper for which product? A table of common types, sizes and end types for jeans, coats, dresses, bags, boots, luggage, tents and home textiles.

2 min read
Brass-tooth metal zipper on a blue tape
Problems

Why does a zipper split? A guide to slipping and jammed zippers

Zipper won't close, slider slipping, jamming or teeth splitting? The causes and fixes for the most common zipper problems.

4 min read
Closed-end metal zipper with a blue tape
Measuring

How to measure a zipper: length and size guide

How to measure zipper length and size. Closed-end and open-end measuring, tolerances and steps to identify a zipper's number.

2 min read
Nylon coil zipper with a grey tape
Ordering

How to specify a zipper order correctly

Describe your zipper precisely: a checklist for size, chain type, finish, slider, end type, length and tape colour.

2 min read
Metal zipper slider and puller, close-up
Nickel

What is a nickel-free zipper? Nickel rules in the EU and Türkiye

Why nickel release matters for zippers. General information on the REACH and KKDİK nickel limit, nickel-free finishes and test reports.

2 min read
Metal zipper and slider on a jacket
Testing

Zipper testing: what EN 16732, ASTM and JIS cover

How is zipper quality measured? General information on EN 16732, ASTM D2061, JIS S 3015 and OEKO-TEX.

2 min read
Samples

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