This Gxin white board marker refillable ink 12 peace box is a must-have for any office or classroom. With its refillable ink, you can use it for a long time without worrying about running out of ink. The white board marker is perfect for writing on whiteboards, glass, and other non-porous surfaces. The 12 peace box ensures that you always have a marker on hand when you need it. The Gxin brand is known for its high-quality products, and this marker is no exception. Whether you're a teacher, student, or office worker, this marker is a great addition to your stationery collection.