Yes, this is blue coffee mug with the words “Mr. and Mrs.” on it. It looks like it is part of a set of two mugs, ideal for couples.

These mugs are not likely to be made of borosilicate glass, but rather ceramic since they are designed with an opaque look and most borosilicate mugs are clear to showcase the contents of the mug.

Ceramic mugs are a popular choice for coffee mugs because they are:

Durable: Ceramic is a strong material that can withstand everyday use.
Insulating: Ceramic mugs help to keep your coffee hot.
Affordable: Ceramic mugs are relatively inexpensive.
Versatile: Ceramic mugs come in a wide variety of styles and colors.
If you are looking for a durable and affordable coffee mug that will keep your coffee hot, a ceramic mug is a great option.