Holly & Martin Ponoma Convertible Media Electric Fireplace in Mahogany 48" W x 15.75" D x 32.25" H (Flat Wall) 48" W x 27" D x 32.25" H (Corner) Firebox opening- 23" W x 13.75" D x 19.75" H Collapsible corner panel- 8.5" W x 16.25" D 32.25" H Media equipment storage shelf- 23" W x 13" D x 5" H