Expo Permanent Markers Black Pack of 12 is a practical choice for workplaces, schools, home offices and commercial supply rooms that need dependable writing instruments. These Expo permanent markers help teams label, present, organize and communicate clearly during everyday tasks, meetings, classroom activities and shared-office projects. Key details include black, pack of 12. Use them for office administration, education, planning boards, packaging notes or general marking where the listed product features fit the job.