Durable Construction: the drawing clipboard is crafted from durable PP plastic and metal material, promising longer durability and resistance against frequent use and abuse; Despite being sturdy and durable, it maintains lightweight and non deformative characteristics; However, it needs to be noted that this large clipboard heavy duty is not waterproof
Secure Clamping Mechanism: the 11 x 17 clipboard is equipped with 3 durable clips that firmly hold papers in place; These clips prevent the documents from blowing away in the wind or corners from curling, without causing any damage to the paper