Tamper-Proof Lidding Capabilities

Seals That Meet Your Needs

Sonoco specializes in rollstock lidding for various end-use applications, specially formulated to meet varying barrier levels, filling methods, product and print requirements.  

We have films that can seal through contamination, as well as withstand different processing methods, including HPP.

Versatile Across Food Markets

Our lidding films are also used in the deli, dairy and bakery segments for ready-to-eat soups and salads as well as protein multi-compartment snack trays. 

Peel-able Flexible Lidding on Clear PET Thermoform being peeled back.

Flexible Lidding Products & Descriptions

Peelable Lidding Films

Peelable Lidding Films

Our SealChoice family of peelable lidding films is designed to seal directly to a variety of substrates, including polyester containers.

Benefits & Features

  • Available in polymer and heat seal coating sealant layers to meet your needs.
  • Compatible with high-pressure processing (HPP) typically used in guacamoles, salsas and meats.
  • Hermetic seal during processing offers a clean easy peel for the consumer.  


Deli, dairy, and bakery segments for ready-to-eat soups and salads as well as protein multi-compartment snack trays.

Clear PET Thermoform

Clear PET Thermoform

SmartSeal FRESH Produce Lidding delivers sustainability, transparency, convenience, portion control and security for your produce packaging. 

Benefits & Features

  • Micro and macro laser perforated structures
  • Customization to match desired oxygen and moisture transmission rates
  • Uncompromising seal quality
  • Anti-fog technology
  • Convenience-driven resealable lidding options
  • Tamper evidence
  • Eye-catching graphics and high-quality printing capabilities
  • Customizable opening features-location and size

Foil & Metallized Lidding

Foil & Metallized Lidding

Our printed foil and metallized lidding is typically used to seal to HIPS or other substrates in the quick-serve restaurant industry for dips, dressings, and sauces. Our lidding is also used to package jam and jellies as well as honey. Used in both FFS applications and in combinations with pre-made cupstock, this lidding can withstand the most demanding and hard-to-hold applications. 

Markets We Serve

  • Fresh & Natural Foods

    As demand for produce grows and eating habits change, we're helping you deliver better packaging to provide a better experience.
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  • Couple standing in front of the grocery store freezer

    Frozen Foods

    Our frozen foods packaging ranges from bags for flash-frozen produce to frozen dinner trays designed for the freezer, microwave and oven.
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  • photo of fast food counter

    Food Service & Deli

    We offer a portfolio of food service and deli packaging—trays, lidding, pouches, tubs and paper containers for all kinds of ingredients and foods.
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  • Person holding up toddler in a field

    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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  • Dried bananas, raisins, nuts, and other snacks mixed together

    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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Breaking Down the Complexities of Tray Lidding

Lidding’s claim to fame is its tamper-evident properties. Lidding emerged as a capable packaging solution to show shoppers that someone or something had meddled with packaging before purchasing. So, lidding isn’t a final-step checkoff right before production. Let’s take a look at some of the advantages specifically related to tray lidding.

Advantages of Tray Lidding

TV dinner with plastic film.

Related Packaging

  • Pouches

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  • Daisy sour cream pouch on kitchen counter - inverted laminate flexible pouch with fitment

    Fitmented Pouches

    We offer a range of high-performance, multi-layer materials to help create a fitmented packaging solution that helps drive results.
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  • Cereal box sitting on a wooden tabletop

    EcoTect® Paperboard

    Made from 100% recycled fibers, EcoTect® paperboard provides superior image fidelity and brightness.
    Read More

Lidding Solutions

Connect with Sonoco

Learn more about our lidding solutions and flexible packaging options. We're eager to discuss how we can help you meet your customers' needs and your business goals.

Let's Talk Solutions