Craig Frames 23247778 16 by 16-Inch Brazilian Walnut Picture Frame, Single White Mat with 1 - 12 by 12-Inch Square Opening Celebrate your cherished memories with our framed single opening mats. Complete framed matting kit includes: picture frame, white matting, clear acrylic facing, cardboard backing and hanging hardware Frame includes and is sized to hold a 16 by 16-inch mat (viewable area is slightly smaller) Matting has 12 by 12-inch single square opening (actual opening size: 11.5 by 11.5-inch) Frame moulding is 1 inches wide; dark walnut brown color; smooth wrap finish; wood composite material