1 Panel Hollow Core White Primed MDF Interior Door SlabCALHOME interior doors are made of high quality MDF, a composite material milled in a one piece frame to withstand changes in heat and humidity better than solid wood. Each door is carefully crafted to ensure quality over time. These doors are designed for use with hinges. This interior door will add a touch of contemporary chic and sense of design to any space. Constructed of high quality MDF (Medium Density Fiberboard). A composite material milled