拉链是把两片织物暂时结合在一起的一种部件，常见于衣物、旅行箱、手袋、帐篷和睡袋等。

拉链在制衣工业和服装中十分常见，它的用途包括了：

• 增加开口，便于物体通过；例如口袋、男式裤子前裆等的开口。
• 结合一片织物完全分开的两面，例如外套开口。
• 把两片分开的织物结合起来。
• 装饰。

A zipper, zip, fly or zip fastener, formerly known as a clasp locker, is a commonly used device for binding the edges of an opening of fabric or other flexible material, like on a garment or a bag. It is used in clothing (e.g., jackets and jeans), luggage and other bags, sporting goods, camping gear (e.g. tents and sleeping bags), and other items. Whitcomb L. Judson was an American inventor from Chicago who invented and constructed a workable zipper. The method, still in use today, is based on interlocking teeth. Initially it was called the “hookless fastener” and was later redesigned to become more reliable.