The principle of triangular fixing uniform force good stability and strong bearing capacity. Adjustable height and arms holds most canvases and boards. Manufacturered by Easels. Foldable design makes this easel very easy to put up and down convenient when it needs to be carried around and use. Tip: The delivery time of the product is 8-16 days the picture is for reference only. Material: iron durable non-slip mat balanced the easel angle is adjustable and more convenient.