Zipper with shine and improved bonding force between tooth and tape

A zipper, comprising a pair of opposite tapes, each tape comprising a bonding area, and a plurality of teeth positioned on the bonding area along a length direction of the tape, each tooth defining a positioning groove, the bonding area of each tape jamming into the positioning grooves of the plurality of teeth to position the teeth on the tape;

• wherein a portion of the bonding area of each tape corresponding to one tooth defines at least one positioning hole, and each tooth comprises at least one post located in the positioning groove of the tooth, and the post passes through a corresponding positioning hole to fix the tooth on the tape, and wherein each tooth comprises a lower body and an upper body located upon the lower body, the positioning groove is located between the upper body and the lower body, and comprises a fixing groove and a inserting groove extending from the fixing groove and to an exterior surface of the tooth, and two ends of the post are respectively connected with the upper body and the lower body, and wherein each tape comprises a filler cord latched into the fixing groove, a group of warp yarns, and a group of continuously distributed weft yarns interwoven with the group of warp yarns, and wherein the bonding area of each tape inserts into the inserting grooves of the teeth, and wherein the post of each tooth is located at the inserting groove of the tooth and passes through a corresponding positioning hole in the bonding area of the tape.