"Our window cornices are built from 1x hardwood top, front and sides, open only on bottom and back. Full return mitered sides. Adds an elegant custom look to your windows, patio doors and doorways. Window cornices are built using 100% full 3/4\" (1x) hardwood, no MDF, plywood or pine is used. Measures 8\" high x 7-5/8\" deep (exterior) with an interior depth clearance (projection from wall) of 4-3/4\". Height is 8\" outside and 7-1/4\" inside. These are our standard cornice dimensions but can be