Waterproof Plastic Zipper

A waterproof plastic zipper, wherein the waterproof plastic zipper comprises a pair of tapes and a slider;

• the pair of tapes are arranged opposite each other, and the pair of tapes are provided with two fabric tapes, fabric ribs, and rows of teeth;
• the fabric ribs are arranged on sides of the two fabric tapes facing each other;
• the rows of teeth are arranged on the fabric ribs, are brought together under an action of the slider, and each of the rows of teeth comprises a plurality of teeth;
• each of the plurality of teeth has a tail portion and a head portion, the tail portion being molded on a corresponding fabric rib in the fabric ribs, and the head portion extending towards an opposite tape of the two fabric tapes;
• the head portion is provided with a base and a top portion arranged adjacent to each other in a thickness direction, a free end of the top portion being arranged closer to the tail portion than a free end of the base;
• suppose that a slide direction of the slider on the rows of teeth is a width direction of the teeth, the top portion is provided with side wing portions extending out of the base from two sides in the width direction;
• a side surface of each of the side wing portions facing the base is provided with a recess;
• a protrusion is provided in the recess, does not extend out of the recess, and is spaced apart from the base;
• a part of the base close to the top portion is an abutment portion;
• and when the opposite rows of teeth are brought together, a free end of the abutment portion abuts against a fabric rib of the opposite tape, and protrusions of one of the teeth are fitted with bases of two teeth meshing therewith.