Buzz
A recently published book delves into the surprisingly intricate design of the drinkable plastic lid.
The modest coffee lid often goes unnoticed, except when hot coffee spills everywhere. However, these portable cup lids are far more complex than they appear. 'The coffee lid is a strand of our cultural DNA—a small, often overlooked detail that, when examined closely, reveals much about our society,' explains designer and Mmuseumm founder Alex Kalman in the introduction to Coffee Lids: Peel, Pinch, Pucker, Puncture, a book that traces the design history of the plastic hot-beverage lid.
Coffee Lids offers a semi-comprehensive exploration of a vast coffee-lid collection amassed over decades by architects Louise Harpman and Scott Specht, who describe coffee lids as 'unassuming modern wonders hiding in plain sight.' Organized into four sections based on how they are opened—peel, pinch, pucker, and puncture—the book features detailed, close-up photographs of the lids and images from their original patent designs.
Here are nine surprising facts about lids that we discovered in the book.
1. THEIR ORIGINS TRACE BACK TO THE 1950s.
Specht and Harpman attribute the creation of the drink-through lid in the U.S. to Delbert E. Phinney, who secured a patent in 1953 for an insulated, disposable cup and lid. This peel-style lid featured a tab that could be lifted with a fingernail to form a drinking hole. However, the design didn’t gain popularity until years later, when American drivers and on-the-go consumers wanted to enjoy hot beverages while traveling, much like they did with iced drinks and straws. They resorted to puncturing the flat plastic lids of their hot coffee cups to create makeshift drinking holes. While functional, this method was far from ideal, prompting inventors, designers, and manufacturers to develop lids specifically designed for portable sipping.
2. THE LEVEL OF INNOVATION MIGHT ASTONISH YOU ...
'Examining the countless variations of the simple coffee lid reveals humanity’s dreams, anxieties, ambitions, and boundless creativity,' Kalman notes in his introduction. While this might sound exaggerated, it’s undeniable that plastic to-go lids have undergone numerous transformations to achieve the familiar raised-edge design used in Starbucks cups today. Beyond refining the lid’s structure or the size of the drinking hole, designers have reimagined the coffee-drinking experience entirely. Examples include lids with blister packs for releasing cream or sugar, lids incorporating a French-press mechanism for brewing coffee on the go, and lids equipped with aroma pods infused with scents like vanilla, cinnamon, or hazelnut to elevate the flavor.
3. ... AND THE PASSION DESIGNERS PUT INTO THEM.
Lid designers are deeply committed to enhancing the experience of drinking hot beverages on the go. For example, in a 1976 patent titled Drink-Through Slosh-Inhibiting Closure Lids for Potable Open-Top Containers, inventor Stanley Ruff highlights seven unique improvements, such as slosh reduction, nose accommodation, and enhanced 'oral and olfactory satisfaction,' as noted in Coffee Lids. Contemporary designers have further refined the basic lid design, addressing minor annoyances and delivering superior drinking experiences, according to Harpman and Specht. Innovations include lids that mimic drinking directly from a cup’s rim, optimize liquid flow, cool the beverage, and direct steam to enhance the coffee’s aroma.
4. PEEL-OPEN PLASTIC LIDS ARE FEATS OF ENGINEERING.
Creating a stable tear-open lid is more complex than it appears. Harpman and Specht explain that early flat, peel-open lids would lose their structural integrity when torn, causing the lid to pop off with the slightest pressure. Modern lids, even those that seem flat, incorporate raised ridges and trusses—similar to roof beams—to maintain rigidity after the plastic is torn.
5. THE SMALL SECOND HOLE SERVES A CRUCIAL PURPOSE.
The tiny hole in your coffee lid isn’t just decorative; it’s vital for a smooth drinking experience. When liquid flows through a single hole in a sealed container, it creates a vacuum, which can disrupt the flow. To prevent this, many lids include a small air hole, similar to overflow holes in sinks, to allow air into the container and ensure even liquid flow. Specht and Harpman note that nearly every coffee lid since the 1970s features this design, with the exception of the Philip Cup lid, which uses a larger rectangular vent for smoother flow.
6. PREVENTING SLOSHING IS A TOP CONCERN.
No one enjoys spilling scalding coffee on their hands, clothes, or car cupholders. Lid designers are well aware of this issue. Harpman and Specht note that 'preventing sloshing has been the primary focus of coffee lid inventors since the 1980s.' However, there’s no universal solution. Some designs include a recessed channel with a hole to redirect spilled coffee back into the cup. Others feature tabs for opening or closing, or come with built-in stoppers. A 1983 patent by Morris Philip introduced a 'splash-proof' lid that sits an inch below the cup’s rim to catch spills. Despite these efforts, Starbucks and other chains now offer separate stopper sticks to secure lids and prevent splashes.
7. THE GROOVES ON LIDS ARE A RESPONSE TO CAR TRAVEL.
The rise of minivans and built-in cupholders, like those in Dodge’s 1983 Caravan/Plymouth Voyager, created a need for coffee lids that could handle the jostling of car rides. To address this, designers incorporated grooves and recessed areas with air holes to redirect spilled liquid back into the cup. Some lids also feature perimeter channels that guide coffee toward the drinking hole, minimizing waste during bumpy drives.
8. CERTAIN DESIGNS HAVE ACHIEVED ICONIC STATUS ...
You might not recognize the name Solo Traveler lid, but its design is unmistakable. Created by Jack Clements in 1986, this lid has transcended its original purpose to become a museum artifact. Paola Antonelli, a curator at the Museum of Modern Art, included the Solo Traveler lid in the 2004 exhibit Humble Masterpieces, where it was showcased alongside iconic designs like the Post-it, soccer ball, and paper clip, celebrating understated yet transformative innovations.
The museum’s catalog describes the Solo Traveler lid as having a domed shape that enhances sipping comfort by accommodating both the lips and nose. An unexpected benefit was its compatibility with the foam of cappuccinos and lattes, which gained popularity in the U.S. in the late 1980s. Its rapid success led to widespread imitation in the competitive coffee-lid industry.
9. ... WHILE SOME DESIGNS ARE PLAYFULLY CREATIVE.
The Kiss lid, designed by South Korean designer Jang Woo-Seok, offers a uniquely personal drinking experience. Resembling a face, the lid features raised plastic shaped like a nose and mouth, creating the sensation of kissing when you drink. Available in two styles—angular and geometric or smooth and curvy—the design aims to add humor to mornings. 'I wanted to help people relieve morning stress with a touch of fun,' she explained to Metro World News in 2015. To make the experience more realistic, she refined the design by adding a nose and adjusting facial features. 'The nose height is crucial for a realistic kiss, and I enlarged the lips to evoke the feeling of biting the bottom lip,' she added.
Coffee Lids: Peel, Pinch, Pucker, Puncture can be purchased for $18 on Amazon.
All images provided by Princeton Architectural Press.
