Lil Firestar Boys & Girls Slip On Slipper Flip Flop(Multicolor

9.5C =16 CM, 10C =17 CMS,12C=19 CM,12.5C=19.5CMS,1 UK =21.0 CMS. For a perfect fit measure your childs foot length from the thumb to the back heel.These pair of slippers has an anti skid sole , Comfortable foot bed and are very light weight and durable.