Graphing the solid defined by: $D=\{ (x,y,z) \in \mathbb{R}^3 : xy \geq 1 \}$

Question

I am try to graph the solid defined by following but I have no idea as to where to begin: $$D=\big \{ (x,y,z) \in \mathbb{R}^3 : xy \geq 1 \big \}$$