Referred to as "cane" in European publications, size designations differ but MM diameters will be the same.
Round reed is used for repairing wicker and reed furniture, and as spline in modern pressed seats in addition to basket weaving and handle making.
Each coil will contain multiple pieces of varying lengths.
ALL reed is cut by hand on simple machines and may have a true measurement of slightly larger or smaller. Please specify if a true width is needed.