GANSSIA Natural Printed Design 0.5mm Erasable Gel Pens Black Ink Pack of 12 Pcs Black ink erasable gel pens; Package:12 pcs; Pencil lead:0.5mm Can be erased by friction of a rubber eraser on the top of each pen, can not erased by other normal eraser. Body Material: Plastic, safe and healthy for human body and environment. School educational supply, best gift for children. Notice: Do not use for important documents!