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The Story of the Glow-in-the-Dark Cup in Collaboration with Starbucks
Starry Night Magic, Brighten Your Coffee Moments
In 2020, we partnered with STARBUCKS® to jointly infuse glow-in-the-dark magic into coffee culture by launching a revolutionary glow-in-the-dark cup series. In complete darkness, exquisite glow patterns gradually appear on the cup surface and naturally restore in bright environments, adding a touch of mystery to the coffee experience.
Starbucks Glow-in-the-Dark Cup
This limited edition glow-in-the-dark cup uses our self-developed premium glow materials that absorb light during the day and emit a soft glow in the dark, creating a unique visual experience.
- Fully waterproof and safe for dishwasher cleaning
- Eco-friendly and non-toxic materials, compliant with FDA food contact standards
- Glow effect lasts for more than 5 years
- Patented anti-black spot technology ensures uniform and perfect patterns
- High-brightness glow microstructure with stunning visual effects
- Fast light absorption feature allows "writing" with a flashlight
- Automatically restores in bright environments
The core reason Starbucks chose us: we achieved industry-leading waterproof performance for glow powder. After 18 months of R&D and over 200 tests, we solved the issue of material blackening during injection molding and significantly enhanced brightness by optimizing the glow powder microstructure. The fast light absorption feature also increased the playability of the glow cup.
Collaboration Story
Initial Contact
The Starbucks design team was looking for technology to add surprise elements to the 2020 limited edition product. They were attracted by our glow samples but expressed concerns about waterproof performance and food safety.
Technical Breakthrough
We formed a dedicated R&D team to tackle the waterproof performance of glow powder, food safety, and injection molding processes. After 6 months of effort, we developed new encapsulation technology and anti-black spot processes, ensuring the glow powder maintains over 95% luminous efficiency after 100 washes.
Sample Confirmation
We provided samples with 10 different pattern designs. The Starbucks team was very satisfied with the glow effect, waterproof test results, and food safety certification, especially loving the newly added fast light absorption feature. They ultimately chose the Starry Night Goddess and Coffee Bean Growth Cycle designs.
Product Launch
In September 2020, the Starbucks glow-in-the-dark cup was launched in selected stores worldwide and immediately became a social media sensation. The product sold over 100,000 units in the first week, setting a new record for Starbucks merchandise. Fans especially enjoyed the interactive feature of "writing" on the cup with a flashlight.
Technical Advantages
Food-Grade Safety
FDA certified, free of heavy metals, fully compliant with food contact material standards
Super Waterproof
Patented encapsulation technology, performance unchanged after 100 dishwasher cycles
High Brightness Emission
Optimized glow powder microstructure, brightness increased by 300%, single charge lasts 8 hours
Fast Light Absorption
Special formula achieves fast light absorption, allowing "writing" with a flashlight to increase interactive fun
Interactive Experience
This glow-in-the-dark cup also features "fast light absorption," allowing you to draw patterns on the cup with a flashlight!
In the dark, shine a flashlight on the cup surface, and your "writing" will immediately appear, creating a unique personalized effect.
This fun feature lets Starbucks fans create their own glow art to share on social media!
