MATERIAL:  solid kiln-dried maple hardwood (7/8” thickness) / shown with clear non-toxic finish in attached photos to demonstrate range of appearance in wood grain patterns and color under different lighting conditionsFINISH:  non-toxic clear finish on face and exteriors / painted interiors in white semi-gloss (White Heron SW7627)DIMENSIONS:per unit:  65” wide x  69.28“ high x 11.5" deep per hex exterior:  20” wide x 17.32” highper hex interior:  17.87” wide at center x 15.57" high x 11.5" deep (with ~9” wide lower shelf ledges) DETAILS:  unit comprised of 10 hexagons / 3-4 matching solid maple brackets to be included for mounting unit into wall studs