Silgan Closures is making national headlines… literally. USA TODAY recently published a feature story spotlighting Silgan’s breakthrough F15 Fitment, a newly engineered, easier-to-open fitment for milk cartons and other gable-top packages. The article highlights the company’s multi-year design process, consumer testing, and commitment to sustainability and packaging ergonomics.
You can read the publicly shareable PDF of the USA TODAY article here: Download the USA TODAY article PDF
And here is the original article on USA TODAY: https://www.usatoday.com/story/news/nation/2025/11/04/taller-milk-carton-caps-easier-grip-open/85980194007/
Solving a Daily Frustration for Millions of Consumers
If you have ever wrestled with a milk carton cap that was too small, you’re not alone. As USA TODAY reports, consumers across the country have expressed frustration over the years with newer lightweight caps that, while environmentally beneficial, have been harder to grip and twist.
Silgan Closures took this challenge seriously. The company engineered a new fitment, the F15 Fitment, that retains the lighter, sustainability-forward profile but restores the height and grip needed for real-world usability. According to the article, the enhanced design includes:
- A taller fitment profile for better leverage
- Spaced-out knurling (the ridged texture) that improves grip strength
- Thinner, lighter walls that reduce plastic use without sacrificing function
The result: A closure that’s easier for children, older adults, and everyday users to open, without compromising sustainability goals.
A Rigorous, Three-Year Human-Centered Design Process
As described in the USA TODAY report, Silgan’s engineering team committed several years to perfecting the fitment design. They conducted iterative consumer tests, in-home trials, and ergonomic assessments to refine the ease-of-use while maintaining lighter-weight material targets.
“We put them in consumers’ hands… Then we had people use them at home and give feedback. All this took place over three years,”
— AJ Miller, Marketing Director, Silgan Closures (USA TODAY)
This rigorous development cycle aligns with Silgan’s long-standing commitment to design innovation, user experience, and environmental responsibility.
A Win for Packaging Sustainability and Consumer Experience
Experts quoted in the article applaud the F15 Fitment for balancing function and sustainability. Alaster Yoxall, a professor of packaging ergonomics, calls it a “win-win” because of its ease of opening and more resource efficiency.
The new fitments are now rolling out nationwide, so consumers may notice variations on store shelves as suppliers transition to the updated fitments.
Elizabeth Wiese, President of Silgan Closures, expressed enthusiasm about the early response:
“We are excited about the positive customer and consumer response to the F15 Fitment.”
Learn More About Silgan’s Innovation in Packaging Solutions
Silgan Closures continues to lead the industry in sustainable, user-friendly packaging technologies. To explore more about the company’s innovations and capabilities, visit: www.silgancls.com
To read the full USA TODAY feature, access the public PDF here: Download the article


