Zipper with shine and improved bonding force between tooth and tape

A zipper of the disclosure includes a pair of opposite tapes. A plurality of teeth are positioned at a bonding area of each tape. Each of the plurality of teeth 100 defines a positioning groove, and includes a post located in the positioning groove. A portion of the bonding area of the tape corresponding to each tooth defines at least one positioning hole. The post of each tooth passes through a corresponding positioning hole to fix the tooth on the tape firmly.