... product size:200x230mm 2,frame:ABS material and red/yellow/blue/green/pink etc color choice 3,panel material ... writing board1,product size:200x230mm.2,border color:red,yellow,blue,green,pink,puple......,frame material:ABS.3, ... writing is smooth.4,It is best to use the yellow or orange fluorescence pen.5,you can be ... priting any logo can do any design on the screen,can use everything clean.6,power by ...