Slider is made up of a pull head and a pull piece. According to different uses, the slider is divided into self-locking head, semi-self-locking head and non-locking head. The self-locking head is divided into three pieces, five pieces and the guide rail for seven pieces. Pull-in is mainly divided into metal pieces, plastic pieces, rope pull piece, from the shape and material, pull piece of lots of change, the zipper in addition to its use function, has become a popular fashion and decoration, the decoration of the change, make zipper used more widely. As plastic zipper wholesale, the zipper is very important to the style of the update and fashion, continuously through market research to collect various different drawing styles to meet different customers’ needs. But the main body of the slider is functional, it is relatively fixed in shape and has less variation.