The flatbed enclosure is an apparatus that provides a comfortable and secure environment within a truck. The apparatus includes a first bed cover, a second bed cover, a first side rack, a second rack, a hydraulic system, and a truck bed. The first bed cover and the second bed cover uphold the first side rack the second side rack, respectively, as well as open and close the truck bed. The first side rack and the second side rack serve as a rack to secure and uphold a variety of items while in a retracted configuration. The first side rack and the second side rack also serve as a bench while in an extended configuration. The hydraulic system automatically retracts and extends the first bed cover and the second bed cover. The truck bed upholds the first bed cover, the second bed cover, a variety of items, and individuals.