Ag+ Cup:  This breath-taking silver cup is inspired from the beauty of western art, brought to life by ancient eastern craftsmanship. Its pure silver inner was born with the ability to disinfect water to guarantee a healthy drinking experience for you. Its royal deluxe color and fine texture makes the Ag+ cup extremely captivating; you’d want it at a single peek.

Inspiration from the bluer than bluer hue

The story began with my first encounter with Yves Klein. His unique style of art became an inspiration to many pop artists.

 Klein had a special liking for blue, which became his preferred signature color. His celebrated bluer-than-blue hue would be recognized as the International Klein Blue (IKB).

The French art-guru lived for only 34 years, spending eight years on his career. Yet, the impact he left with his ground-breaking "Klein Blue" discovery, has made him quite famous for over half of the century.

 Klein’s impact is still felt in the world of art with his popularity still unmatched. Its extraordinary, charming and challenging color, has evolved and become diversified in different areas such as fashion, art, architecture.

 As a potter and fan of Yves Klein, I have always considered applying such amazing color on my ceramics works. The process was a huge challenge and no one had done it before, but I strongly believed their integration would be a revolutionary artwork.

One year, thousands of experiments: Like gambling, Unpredictable and Infinite possibilities 

The color on the ceramics is from a glazing pigment. Its final color, quite different from the original glaze color. The most challenging part is that every detail in the procedure affects the output color. From the glaze ratio, the glazing method, the quality of clay, the temperature of kiln, and the timing of firing, they all have an effect the final color.

A Lesson from Past, Glory Days of Ceramics History 

When trying to get the perfect shade of blue to apply, I had to review the history of ceramics. I discovered an ancient blue pottery in China called the “Qinghua” or “Blue and White vase”. It was one of the most famous valuable oriental ceramics in the world.

  •  Peak of Blue and white pottery – 14thcentury, Yuan Dynasty.

In the 14th century (referred to as the Yuan Dynasty) was the most flourishing period of the ceramics industry, and this period recorded the best Blue and White Pottery Art works ever created. It’s fond of domestic or foreign art collectors to have a piece of Yuan Qinghua. The Yuan Qinghua art was one of the most popular and luxury collections for royal nobility.

  • Secret of Qinghua – Smalt Blue

The Yuan Quinguha art had a blue pigment on it called smalt; a ground blue potassium glass containing cobalt from ancient Persia. During the 14th century, with the backing of International Trade Policy, smalt was easily imported into China. It became widely used in the production of ceramics. The introduction of smalt into Yuan Qinghua porcelain to brought it to the pinnacle of ceramics art.

  • Extinction of Pure Blue on Ceramics

When Ming Dynasty came to power in the 16th century, they stopped the importation of smalt into China. The supply of smalt was placed on hold indefinitely. For hundreds of years, that distinct blue and use of smalt on ceramics stopped.

I found that the ancient pigment, smalt, is the closest to getting the classic Klein blue. After year of research, I created our home-made glaze recipe, which can revive the saturation and cleanliness of the famous blue color and ensure the consistence in the mass production

A Blend of Luxury and Demure

It got a high level of color saturation, with its matte feature rendering it lustre having a clean mild touch. It was a kind of elegance symbol, to show its user’s premium taste.

Soft, Delicate and Warm Touch

It’s a handmade ceramic ware yet has a texture that feels soft like suede. An extremely strong product, but still has that warm and delicate feeling when you hold it. 

In ancient times, using silver ware was strictly restricted to royal families. It was scarce and slightly inaccessible to the masses yet it served as a water sterilizer and disinfectant.

Water + Silver = Purification

Research has shown that silver can be used successfully to control bacterial growth. When silver is dissolved into water, it releases Ag+. The Ag+ element helps to disinfect 650 kinds of bacteria to get the water sterilized.

Silver ions only kills harmful bacteria without causing damage to necessary bacteria and normal cells. Becasue most pathogenic bacteria are single-celled micro-organisms, relying solely on the pro-teases in cells to survive. The silver ion combines with the negative charge (SH) in the protease before then effectively piercing the cell’s wall, killing the bacterial protein mutation, and effectively achieving sterilization.

Ag+Cup – 99.9% Silver Liner, the Purest Silver Cup Ever

Most silver utensils in the market contain 92.5% of silver. The purer the silver means less impurity of other metal elements present and increases the efficiency of water disinfection.

Ag+Cup is not a regular product, it’s an artwork that requires a very skilled craftsman. The production process requires creativity, attention to details, consistency and a desire for perfection. To reach the desired goal, you must be patient.

We’ve analyzed the Qinghua, smalt, silver and ceramic so much it looks like we are re-introducing an antique or vintage product.


Ag+ Cup designed with ancient techniques easily blends into our daily modern life.

Using Ag+Cup Everyday

Ag+Cup is a product that fits into all the amazing times of your life; whether you’re working, chating with friends, reading, exercising, watching TV, or even mediating.

More Colors, More Options

We understand that people have different color preferences, so we made more beautiful colors for you to choose from.


Because that silver cup is delicate and precious, it cannot be used in microwave or oven,  and also not recommended for dishwashers. 

Risks and challenges

With our team’s years of experience with ceramics, we have confident in our production schedule and mass quality. However, we understand that challenges often occur with shipping and logistics. To avoid potential delays, we have already confirmed with our suppliers that production is ready and shipping can begin on time. Our most important task is to satisfy the promises we make to our backers. If any unexpected problems arise, we will keep our backers updated and informed about how we are solving the issue. We are excited to bring Klein Cup to the world and thank you for your support.