Kasper Solid Black Silk Lined Midi Pencil Skirt Zipper Back Size 4

Very nice solid black silk skirt. Knee length. Excellent preowned condition. Zipper and how can I closure in back. Back slit Material: 100% Silk. Liner: 100% Polyester Measurements: 21” L. 13.5” across waist. 18.5” across hips Please see my pictures for details as they are part of my description.