This is a brand new set of Hawaiian flavoured Caramel Corn packs manufactured by Tohato company in Japan.
Newly released summer edition thatis only available on domestic market.
Here is a description of the product:

Get into the tropical spirit with this lovely and accurately flavored Pineapple version of Tohato Caramel Corn!
This crunchy snack is so addictive.
Limited Edition! The foil pouch contains a generous 65 grams of product that surely satisfy you.
It won’t be around for long so act fast.

Each pack is circa 70g, offer is for 4 packs.
All orders are sent using Small Packet service from Japanese post!

No worries your parcels are tracked 😉