1,power-free, stepping-free 2,easy cleaning 3,OEM aviable 1,one bucket, one pole, one or two mop head,2, gift box or bulk packing3,OEM is aviable4,three kinds of pole are aviable as below, and two kinds of length are aviable ,1.22m,1.35m5,Patents No.: ZL201130423983.7 ZL200920201154.1 ZL200920201153.7 USA Patents: #13/004,688 stepping-free magic spin mop