This is a brand new set of famous Clorets gums manufactured in Japan.
Flavour is clear mint.
Here are several informations from manufacturer:

Introducing a prescription that nearly 90% of people feel refreshed in 30 minutes!
Continuing to appeal the image of “continuing to keep your mouth clean” with a design that imaged a refreshing feeling
The birth of a new shape bottle that will be renewed for the first time in 11 years, inheriting the DNA of Chlorets that continues to innovate!
Two ways to take out, next-generation 2-way cap
Contents: 140g

Each jar is around 140g, offer is for a 4 jars set.
All orders are sent using ePacket service from Japanese Post.

No worries, your parcels are tracked 😉