Recessed in the wall between studs. Easily installed! Simply put construction adhesive (not included) on the back side of the frame and push it into the opening in your drywall. Fully adjustable glass shelves are behind the door. Concealed hinges, door is left undrilled for a knob or handle so you can mount it to open either direction. Natural pine and solid maple can be painted or stained. Framing in the wall around the opening is not necessary.