Customer satisfaction is our pursuit, and we're committed to delivering.
For over a decade, zippers have been more than fasteners—they've been invisible connectors holding together the products we trust.
Zipper Flex exists to make them visible, dependable, and extraordinary. Established in 2017 in Kolkata, Zipper Flex has built something rare: a zipper manufacturer that refuses to compromise.
Catalogue
The benchmark in low-temperature sealing performance-no other zipper seals at a lower temperature.
Offers exceptional low-temperature sealing performance, second only to our SUPER LOW SIT range.
Delivers wrinkle-free, seamless low temperature sealing with the softest polymer construction for premium pouch finishing.
Reliable, cost-effective zipper offering consistent lock strength and smooth, repeatable performance.
Barrier-grade zipper providing a hermetic seal with a visible tear-off line for controlled opening.
Small-form zipper offering easy external opening and strong internal lock integrity for high-speed pouch filling.
Slip-optimized zipper ensures effortlessly quick finger-flick opening for small-format pouches.
Specialized high-strength zipper developed exclusively for heavy-duty packaging applications.
Catalogue
The benchmark in low-temperature sealing performance-no other zipper seals at a lower temperature.
This zipper is our flagship product, engineered using the lowest seal initiation specialized polymers, it offers the absolute lowest seal initiation temperatures possible globally. No other zipper in the world has lower seal initiation temperature compared to this. Ideal for low temperature high speed sealing global operations where other zippers fail in terms of sealing.
Offers exceptional low-temperature sealing performance, second only to our SUPER LOW SIT range.
This zipper is our best seller, engineered using low heat sealing specialized polymers it offers extremely low seal initiation temperatures only transcended by our super low sit range. Ideal for low temperature high seal strength at high speed global operations.
Delivers wrinkle-free, seamless low temperature sealing with the softest polymer construction for premium pouch finishing.
This zipper is our best offering in terms of sealing area finishing combined with low temperature leak resistant seal. Engineered using the softest polymers globally it offers the best possible finishing as this zipper is extremely soft and easy to crush. Ideal for wrinkle free finishing and seamless seams at low temperature medium to high speed global operations.
Reliable, cost-effective zipper offering consistent lock strength and smooth, repeatable performance.
This zipper is our answer to an overcrowded highly competitive market place where price dictates quality. This range has the same consistency and design engineering as our top tier zippers which offer high strength on the inside and easy opening on the outside. This does not offer low temperature sealing as it is not made from specialized high cost global polymers, which enables us to bring down the cost significantly. This zipper has a tactile locking mechanism which offers the satisfactory click and snap sensory feedback with every use. Ideal for price sensitive markets where zipper lock consistency is the priority.
Barrier-grade zipper providing a hermetic seal with a visible tear-off line for controlled opening.
This zipper is a barrier zipper enabling a hermetic seal, the highly visible white line easily detaches from the rest of the zipper enabling a tear off function to break the seal. Engineered using our knowledge of low temperature sealing and zipper design we have not only developed a low temperature easy tear zipper but also one which offers the highest lock strength possible compared to even global competition.
Small-form zipper offering easy external opening and strong internal lock integrity for high-speed pouch filling.
This zipper is specially engineered for the garment industry, its small form factor gives it a minimalist footprint enhancing the pouch look and feel. Our dual lock design enables very easy to open locks from the outside while still maintaining high lock strength integrity on the inside to avoid pouch failure. Ideal for pouches demanding smallest zipper footprint and very easy to open locks to enable high pouch filling rate.
Slip-optimized zipper ensures effortlessly quick finger-flick opening for small-format pouches.
This zipper is engineered for India's tobacco industry, the slip properties enable the zipper to slide and open with a snap motion easily resulting in higher pouch filling operations and easy to open small pouches with the flick of a finger. Ideal for small mouth freshener pouches.
Specialized high-strength zipper developed exclusively for heavy-duty packaging applications.
This zipper is engineered for extremely high lock strength applications only. Custom made high strength zippers for heavy duty pouches only, these are specialized not suitable for all pouches as the zipper strength is abnormally high. Ideal for heavy duty pouches which require the strongest possible zipper lock strength.
With an annual capacity of 200 million meters and precision equipment that rivals global standards, we've transformed a commodity into a craft.
Every single meter is tested. Every zipper that leaves our facility carries 100% quality assurance—because excellence demands proof.
With an annual capacity of 200 million meters and precision equipment that rivals global standards, we've transformed a commodity into a craft.
Every single meter is tested. Every zipper that leaves our facility carries 100% quality assurance—because excellence demands proof.
Every zipper starts with premium raw materials from certified suppliers who meet strict durability, consistency, and sustainability standards.
Our facility uses cutting-edge machinery to shape every component with microscopic accuracy. Automated lines and precision molding refined to micron tolerances keep each zipper operating flawlessly.
Each zipper faces multi-stage quality control: automated tension, durability cycles, and close visual checks.
Talk to our team for bespoke solutions, bulk orders, or facility tours.
Bespoke sizing options tailored exactly to your product specifications.
Engineered resistance levels ranging from low-tack to high-security seals.
Laser-scored opening lines ensure clean, frustration-free consumer access.
Reinforced inner-track geometry prevents accidental spills and maintains freshness.
Materials fully compliant with international safety standards for consumables.
