The feature of push-and-pull board: * Sizes: (1000x2000)mmx4 (1000x3000)mmx4 Thickness :22mm Besides the merits of standard board,its moving equipment can make the board moving left and right,up and down.This characteristic is facilitated for writing. This board is able to use in luxurious classroom,council chamber,academy room and so on with its unique design and fashionable appearance.Undisputed we can produce oards according to customer's requirement. * All sizes and material used of our product are adjustable according to customer's need . * Different colour are available. *OEM design is also welcome,please don't hesitate to contact us for more information !