You can mix and match freely. 2 sets: 1600 yen 3 sets: 2300 yen 4 sets: 2900 yen Size: Approximately 26cm~28cm Color: White *Please note that as these are parallel imports, there may be slight individual differences and quality issues compared to Japanese products. Also, there may be some loose threads due to being imported products. *Please refrain from purchasing if you are looking for the perfection found in Japanese products, as these are foreign products. *Please understand that the color may appear slightly different on the screen than in reality.