This Bisilque Self Adhesive Gridding Tape is a useful and convenient low profile tape, for creating any form of grid, table or guide lines on a whiteboard.It is Ideal for creating educational whiteboards such as music staves, literacy lines and even sports boards.It easily converts your standard whiteboard into a planning board, a progress board, an In-Out board or simply use to section off area\'s for different topics, departments or functions.. Dimensions 3mm x 10m