The dry erase whiteboard you can use with dry erase and permanent markers to help track due dates, to do's and metrics for your team projects. Transform your space by resurfacing a blackboard, stained whiteboard or cover an entire wall. With the use of permanent markers, there is less chance of accidental smearing or erasing, and the permanent marker wipes away with just water. Whenever you want to brainstorm, present or track projects, Post it Brand is ready to help you succeed. Board Type: Dry Erase; Board Width: 72 ; Board Height: 48 ; Surface Material: Permanent Marker Whiteboard Surface.