Please recommend some gifts for my employees.

I am going on a business trip to Korea
And since I'll be there, I'm planning to buy some gifts for my employees
Most of them are female employees in their 20s to early 30s
What would be something good to buy for under 100,000 KRW per person?
I receive a lot of help from them, so I want to get them something expensive, but there's a limit to what I can spend out of my own pocket haha