A Taiwanese team invented the patented O.S.U CUP, a double-cup, double-lid cup, which raised over one million NT dollars in just five days.

Economic Daily News, Cao Songqing

The eco-friendly cup market has been developing for many years, with various products constantly being innovated, from insulated and ice-keeping cups to foldable storage cups. However, recently, on the crowdfunding platform Zezeze, an innovative product from the Taiwanese design team LE SEMEUR, the "O.S.U CUP Even-Number Cup," has attracted market attention due to its unique patented double-cup, double-lid structure. The product raised over one million NT dollars in just five days, becoming a hot topic in the household goods category.

The O.S.U CUP Even-Number Cup was exhibited at InnoVEX, showcasing its patented double-cup, double-lid structure. (Photo provided by LE SEMEUR)

According to the team, the product development was inspired by observations of daily life. Whether sharing drinks with friends, enjoying drinks with family, or carrying both coffee and water, two containers are often necessary. The team therefore considered whether structural innovation could allow a single cup to have more uses.

After multiple prototyping and testing, the O.S.U CUP finally developed its unique double-cup, double-lid design. Normally used as a single cup, it can be quickly disassembled into two separate cups when needed, catering to both individual use and sharing needs. This structure has obtained a Taiwanese invention patent.

Unlike most products on the market that focus on materials, capacity, or insulation, the O.S.U CUP's innovation lies in its structural design. Seemingly a single, complete cup, it can be freely converted for different uses, from individual drinking and sharing with friends to beverage refills, providing a more flexible user experience.

The O.S.U CUP's core patented design is its ability to quickly disassemble into two separate cups, creating new usage scenarios for sharing and refilling. (Provided by LE SEMEUR)

LE SEMEUR proposes a "1>2" product concept, hoping to redefine the way beverage containers are used through design. The team believes that when a product can freely switch functions according to different life situations, the value it creates is not just the simple addition of two independent product functions, but a completely new user experience.

In recent years, consumers' expectations for products have gone beyond mere functional upgrades; they now place greater emphasis on whether products truly solve their practical needs in daily life. The O.S.U CUP addresses the pain points faced by modern consumers in shared, individual, and diverse drinking scenarios.

Market response has validated the appeal of this innovation. After its launch, the product quickly gained support from design enthusiasts, coffee lovers, bubble tea consumers, and families. Some supporters stated that the most attractive feature wasn't the capacity or insulation function, but rather the previously uncommon concept of sharing and individual dispensing. One consumer commented, "I initially thought it was just a regular eco-friendly cup, but after reading the introduction, I realized it's a completely different product philosophy." Others described it as a design that "makes you wonder why no one thought of it before."

The O.S.U CUP's online crowdfunding campaign surpassed one million NT dollars in just five days, attracting significant consumer attention. (Photo courtesy of LE SEMEUR)

In addition to online crowdfunding, LE SEMEUR also publicly showcased the O.S.U CUP at InnoVEX 2026, organizing an interactive "Even-Number Cup Assembly Challenge." Visitors had 15 seconds to complete the assembly challenge, with successful participants receiving a small gift from the brand. The team hopes to use hands-on experience to help more people understand the ingenious design of the patented double-cup, double-lid structure and its application value in sharing and repackaging scenarios.

As a Taiwanese original design brand, LE SEMEUR has long focused on the innovative possibilities of everyday objects and experiences. The team stated that in the future, in addition to continuing to expand the O.S.U CUP series, they will also combine design thinking and patented technology to develop more innovative products rooted in Taiwanese lifestyle culture and gradually launch them in the international market.

From the enthusiastic response on the crowdfunding platform to the in-store experience event at InnoVEX, the discussion sparked by the O.S.U CUP not only reflects consumer demand for eco-friendly cup products but also demonstrates the market's expectation for innovative possibilities in beverage containers. While most products still focus on capacity, insulation, or material upgrades, this patented double-cup, double-lid design from a Taiwanese team attempts to redefine the role of beverage cups from the perspective of usage scenarios, bringing new possibilities to the beverage container market.

Source: https://money.udn.com/money/story/11799/9546189