商品の描写:
one box (wheel) has four colors (say, green,blue,pink and white) and each color has three sizes (say, 2.5mm/3.0mm/4.0mm).
details per wheel is as follows:
2.5mm: 30pcs x 4colors (cells); 3.0mm: 20pcs x 4colors(cells); 4.0mm: 10pcs x 4colors(cells).
商品価格：
数量：
