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With proper use, the effect can last 1–3 years or longer, depending on usage and washing method.

Usually:
Before heating: cup looks plain (often black)
After heating: logo or design appears clearly

Depending on the product:
Sublimation printing
Heat transfer printing
Screen printing

We offer OEM/ODM services, including:Logo printing，Custom artwork

Yes, plastic color changing cups can be BPA-free upon request.

Color changing cups are designed to create a strong visual impact, but over time some buyers notice that the color-changing effect becomes weaker. This leads

Thermochromic ink is the core technology behind color changing cups.Without it, a color changing mug would simply be a normal cup with printed graphics. As

Yes. Our products are made with food-grade materials and comply with international standards such as FDA / LFGB (upon request).

“How long do color changing mugs last?” is one of the most common questions from B2B buyers, especially brands and wholesalers who care about product

Color changing technology is no longer limited to one single product. Today, it can be applied to many types of drinkware, depending on material, structure,