3" rail & stile solid wood(brich) , solid wood center panel door, mitred door Materials and Construction - Traditional face frame construction using 3/4 ... 1/2" thick plywood, CARB certified , Exterior color same to door,interior natural - Shelves are 5/8" thick Birch wood with ... using 3/4" thick X 3" width Brich Wood for door stil & rail,9/16" thick brich wood for centerl panel ...