Our acid-free matboards are 4-ply and feature a white core. With an overall size of 7 x 7 these mats with circle openings fit perfectly into 7 x 7 frames and are bevel cut to enhance your 5 x 5 photos. Actual mat opening size is 4.5 X 4.5 Inches so that it may safely and securely house your 5 x 5 photo artwork needlepoint sign etc.
