Budai in folklore is admired for his happiness, plenitude, and wisdom of contentment. One belief popular in folklore maintains that rubbing his belly brings wealth, good luck, and prosperity.
Budai is traditionally depicted as a fat bald man wearing a robe and wearing or otherwise carrying prayer beads. He carries his few possessions in a cloth sack, being poor but content. He is often depicted entertaining or being followed by adoring children. His figure appears throughout Chinese culture as a representation of contentment.His image graces many temples, restaurants, amulets, and businesses.
He is almost always shown smiling or laughing, hence his nickname in Chinese, the Laughing Buddha.
Here is my version of Budai: