Mat Board White, 30x40
White picture mat (also called passe-partout) with a white core that fits in a frame sized 30x40 cm (11 ¾ x 15 ¾ in). The opening in the picture mat fits a poster sized 21x30 cm/8 ¼ x 11 ¾ in (the opening is 20x29 cm). The white color is pure white. Acid free.