Hydrosphere pressure-sealing zipper

Pressure-sealing zipper for short: it made up of two adhesive tape, which ends are sealed with formed rubber tip, inner teeth fixed on the outer one with adhesive tape, when rejoined the two adhesive tapes with zipper head, the elastic adhesive tapes are compressed into dual seal status as the picture shows between the inner and outer teeth. Therefore, when closed completely, it can separate the water, dust, air, sunlight and etc, even under a certain pressure and being curved, could keep the ability of seal also

Quality characteristic