That's some really good looking lunch by anybody's standards!!!
Should you ever happen to need a package shipped to you from the US, the rates aren't all that scary.
rate page:
Croatia
We have some "flat rate boxes" that go for:
Medium – $43.45; 13 5/8" x 11 7/8" x 3 3/8" or 11" x 8 1/2" x 5 1/2".
Maximum weight 20 pounds.
Large – $55.95; 12" x 12" x 5 1/2".
Maximum weight 20 pounds.
You can stuff a LOT of sticky rice into boxes those sizes!
(there's a huge amount of rice grown in our local area here & it's reasonably priced)