First the metal zip fastener was invented. It has come to popular usage in haberdashery, shoes and outerwear.

Advantages:

• durability;
• nice decoration merits, especially in combination with leather;
• multifunctional.

Disadvantages:

• heavy weight;
• low chemical durability, specially in the corrosive environment, salty water, water vapor;
• rapid slider ware that decreases zipper durability;
• limited color gamma of links.

Primary functions:

• It is suitable for jeans, leather jackets, bags, suitcases and shoes.