Patterned papers are essential for origami models, especially if they are modular. They can add that little extra that makes the difference between "nice" and "wow".
This pattern is made from rectangular triangles. The four quadrant show different shading. If you cut this paper in four equal pieces you will end up with two mixed colour ones, one that is almost everywhere copper coloured and on in turquoise. This can be interesting in modular boxes to form a gradient.
32 sheets per package is just enough for a standard kusudama with two papers spare to practice and experiment. The paper can also cut into four. Most kusudama artists actually prefer the 7.5×7.5 cm format over the big 15×15 cm. In fact you can quadruple the number of kusudamas if you go the extra mile of cutting the paper. The thinness of the paper guarantees that the paper is still thin enough for precise folding.