Hong Kong department store flip flops 6000 pairs x 1 style including 4 colors

My name is Herbert, business unit manager, our company is called olivia and the breeze, our company owns branches in major department store (jusco, citistore, citysuper) in Hong Kong. our focus is on lady fashion,and shoes.I am interested to know more about flip flops. we want to develop a new flip flops collection so we are targeting at 6000 pairs x 1 style of various colors (about 1500 pairs per color), small order in the beginning.