Faux Brick Wall Panel - Oxford Flexible Cornice and the inside measurement is

and the inside measurement is about 12 ½" square

They look stunning in both traditional and modern Interiors

Finish Options:

two are 5/8" x 5 5-1/2"

as depicted

Faux Brick Wall Panel - Oxford Flexible Cornice and the inside measurement isOxford Faux Brick Wall Panel made with " thick Polyurethane that looks ultra real but is more cost effective. Another modern wainscoting variation makes an impressive accent wall, and it is even easier to install than mouldings for wainscoting. Oxford Faux Brick panels replicate the appearance of classic red brick walls while offering installation convenience. Made from lightweight polyurethane foam, these panels are designed for effortless