Matboard 16x20 - 4 openings 5x7

16x20 mat board with four 5x7 openings, perfect for displaying multiple photos or paper artworks in a large frame.A mat board (passe-partout) is a cardboard sheet, typically with an opening in the center, that creates space between the photo and the frame. It protects your artworks by preventing direct contact with the glass while providing an elegant and refined presentation.This mat board is suitable only for paper-based works such as photographs, drawings, or prints, and should not be used with canvases.