1,power-free, stepping-free 2,easy cleaning,special mouth, easy for empty the dirty ... ,OEM aviable 1,one bucket, one pole, one or two mop head,2, gift box or bulk packing3,OEM is aviable4 ... .7 ZL200920201154.1 ZL200920201153.7 USA Patents: #13/004,688 stepping-free magic spin mop