An explosion-proof zipper relating to the field of zipper technology is provided. The explosion-proof zipper includes a first zipper, a second zipper, a left extension tape, a right extension tape, and a slider. The first zipper includes a first left zipper tape, a first right zipper tape, a first left zipper tooth sewn to one end of the first left zipper tape, and a first right zipper tooth sewn to one end of the first right zipper tape. The second zipper includes a second left zipper tape, a second right zipper tape, a second left zipper tooth sewn to one end of the second left zipper tape, and a second right zipper tooth sewn to one end of the second right zipper tape.

An explosion-proof zipper relating to the field of zipper technology is provided. The explosion-proof zipper includes a first zipper, a second zipper, a left extension tape, a right extension tape, and a slider. The first zipper includes a first left zipper tape, a first right zipper tape, a first left zipper tooth sewn to one end of the first left zipper tape, and a first right zipper tooth sewn to one end of the first right zipper tape. The second zipper includes a second left zipper tape, a second right zipper tape, a second left zipper tooth sewn to one end of the second left zipper tape, and a second right zipper tooth sewn to one end of the second right zipper tape.

Fastener stringer includes: a fastener tape; a fastener element arranged on a side edge portion of the fastener tape; and a covering member made of soft material and covering the fastener tape, the covering member comprising a sealing portion positioned on an opposite side of the fastener element with respect to the fastener tape in a thickness direction of the fastener tape. The covering member includes a flexible core sheet extending in a longitudinal direction of the fastener stringer. The core sheet is embedded in the soft material such that one surface of the core sheet is at least partially exposed or both surfaces of the core sheet are not exposed.

A retractable enclosure zipper and a double-layer retractable enclosure zipper. The retractable enclosure zipper includes: a first zipper cloth, a second zipper cloth, a retractable cloth, and a support structure. The first zipper cloth is arranged with first zipper teeth, and the second zipper cloth is arranged with second zipper teeth; the retractable cloth is connected to the first zipper cloth and the second zipper cloth; the support structure is disposed close to the first zipper teeth and is disposed on an inner side of the retractable cloth; the support structure includes a supporting cloth and a support member; the supporting cloth and the retractable cloth enclose to define a receiving space, and the support member is disposed in the receiving space; a width of the support member is greater than or equal to a width of the first zipper teeth and the second zipper teeth when engaged.

A slide fastener-attached product includes a fastener stringer and a fastener-receiving member. The fastener stringer is attached to a stringer attachment edge of the fastener-receiving member with a sewn portion. The stringer attachment edge includes a double-layer portion including a first strip portion, a bent portion, and a second strip portion. The sewn portion is disposed away from a plurality of fastener elements, and the bent portion is disposed in contact with or closer to the fastener elements. A waterproof region is formed between the sewn portion and the fastener elements. In the slide fastener-attached product, exposure of the fastener tape in the region between the fastener-receiving member and the fastener elements can be prevented or reduced.