Featuring durable fiberglass construction, the Feather River Door Company Medina 36 in. x 80 in. Composite White Prehung Right-Hand Inswing 4-Panel Entry Door is designed to offer long-lasting performance in the elements. This door includes a polyurethane foam core and triple-pane insulated glass to provide energy efficiency. Its lotus flower glass design and smooth, paint-ready surface complement your home's style.