You receive 3 bare 0.30 gauge acid free kraft colored chipboard frames. These have a bracket style edge on the outside of the frames with plain square opening. The frames measure 3 1/2" wide x 3 1/2" tall the inner opening is 2 1/2" wide x 2 1/2" tall.
Use chipboard as is, rubber stamp on them, ink them, paint them, cover them with paper, etc, etc. Chipboard is a type of paperboard/cardboard made from reclaimed paper stock. It's the cardboard you would find at the back of a legal pad or notebook. It may include small inclusions, spots or freckles here and there. This is not a wood product.