Porcelain Mugs/Cups

• Q. Why does the capacity (ml) of my mug/cup differ from the content on the product page?
• Q. Why does my mug/cup product look different than the one I bought before?

Doublewall Glasses

• Q. Condensation occurs.
• Q. The product has a crack.
• Q. Water got into the hollow part.
• Q. There is spot in the bottom of that glass that looks like melted glass. Is it defective?