From the manufacturer:
Unfinished hardwood plywood shapes are perfect for painting, staining, stenciling, stamping, wood burning, decoupaging, and vinyl decals. Made from birch plywood and featuring a classic Mason jar design, add a small sawtooth hanger for mounting. Create personalized home decor projects, holiday flair, and more. This 5 in. x 9 in. birch craft shape with routed embellishment is proudly made in the USA in Dodgeville, Wisconsin.