This product can only ship via UPS GROUND SHIPPING ONLY. Ben Nye, Sr. pioneered Silver Grey Hair Color and it still has the right balance between silver and grey, appearing realistic for stage and film. Apply with a toothbrush, and style easily without stiffness. Avoid use on chemically treated hair. Protect costumes during application. Dark Grey: Recently revised, this shade is now a true deep grey. Dark Grey Sizes: 2 fl.oz./59 ml. 8 fl.oz./236 ml. Expect 3-10 applications per ounce.