auto vanishing pen 1.Drawing disappears by itself or by eraser,Violet+Eraser 2.2year shelf time+water based ink 3.opp bag+OEM Auto Vanishing Pen, Air Erasable Pen, Disappear Ink Pen, Fabric Marker Product details: Type:Erasable Fabric Marker,disappearing ink pen,auto vanishing marker,air erasable markerItem No.:AT10-VEBody Color & Material:white barrel available, Non-toxic PPInk Color:Regular ...