Engrave-It protects your valuables. FEATURE: Engrave-It protects your valuables. Law enforcement won't return stolen propertyunless identifiable. Also adds a unique message to picture frames, glassware, jewelryand other keepsakes, or make a gift even more special. Safe and easy to use.Works just like a pen on metal, wood, leather, computers, and electronics. UNIT PACKING:11.5*26*3cm