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Closure Options

Closures provide the convenience and functionality consumers look for in a flexible package. We offer a full range of closure options from standard press-to-close zippers and sliders to re-sealables and fitments. Applications include pet care, infant and toddler foods, liquid foods and condiments, snacks and confections, and coffee. 

See How Closures Add Convenience

By combining our innovative material structures with high-impact design, and a range of closure options, we make flexible packaging even more flexible. See some of our options, below.

Pouch Closure Options

  • Press-to-Close
  • Innolok®
  • SealTab®
  • SmartSeal®
  • Fitments


A staple amongst convenient flexible pouches, the press-to-close closure provides ease of use, maintains product freshness and enables portion control. See individual press-to-close closure options below.


Available from Sonoco, the Innolok® resealable closure integrates on the pouch face. Available as a rollstock solution for vertical form fill seal (VFFS) applications or integrated into a bag or pouch.

Trail Mix Pouch with Innolok Technology


SealTab® is a unique reseal technology that eliminates the need to repackaging after opening. Not only does this improve shelf appeal, it also saves on total package weight when compared to a zipper closure.

Dog Treat Pouch with SealTab Technology


Another innovative closure technology from Sonoco, SmartSeal® integrates resealability and tamper evidence ensuring the freshness, convenience, and product safety consumers demand - while protecting your brand integrity.

Cat Treat Pouch with SmartSeal Technology


When paired with innovative fitments, pouches take on new functionality, offering precision in dispensing and extending shelf life with reclosable spouts. Food consumers see the light-weight, on-the-go convenience as a way to support their active lifestyles, and new innovations are gaining traction for a broader range of applications such as household cleaners and garden items.

Apple Sauce & Cleaning Pouches with Fitment Technology

Press-to-Close Options

Single Track Zipper

Double Track Zipper

Low-Profile Zipper

Powder Proof Zipper

Hook and Loop Zipper


Markets That Can Benefit from Flexible Closures

Pet Care

Your customer's pets come in all shapes, sizes, colors and abilities. Fortunately, so does our packaging.

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Snacks & Confections

Whether you’re packing chips or nuts, cookies or candy, trail mix or cereal, our packaging can be tailored to fit your product and process.

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Get eye-catching coffee packages that offer product protection, extended shelf life, improved sustainability and consumer convenience.

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Infant & Toddler Needs

A global supplier of infant formula and baby/toddler food packaging to many major CPG's, Sonoco helps brands communicate reliability and quality.

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Liquid Foods & Condiments

Whether you’re selling a puree, sauce or oil, a variety of packaging formats can provide you with the most convenience and freshness at the highest levels of safety and performance.


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