Show me board with lines show me blib these show me lined a4 drywipe boards are very durable and ideal for educational purposes this is a bulk box version of the original plain show me board these show me boards with lines are printed one side with light blue lines 20mm apart with a plain reverse side for standard show me activities made from tough but lightweight 650 micron pvc these drywipe white boards are ideal for individual pupil usethis bulk box consists of 100 a4 lined mini wh