Best harmony paper you can get.
I don't usually write specially about paper, but this one is the best one.
It deserves attention.
Name: 1024 sh - Senbazuru Mixed Harmony Prints
Or: SENBAZURU Harmony Boxed Set of Origami Paper for Thousand Folded-Paper Crane(1024 Sheets)
The pack consists of 32 colors, 32 sheets of each color. Which is perfect for 30-unit kusudamas! Oh how I dislike packs with 40 sheets per color: you always get remaining sheets. 30 sheets per color is not always nice too, because you don't have test sheets at all!
The paper is very thin and high quality, Surely better than Jongie Nara. And better than the stuff you can print with your home printer. It won't lose the color on folds and wont't be like fabric after all. The colors are vivid, clean and delicate.
Even the price is nice for such a thing: $12.80 at Amazon, 12.48 at kimscrane