Our acid-free matboards are 4-ply and feature a white core. With an overall size of 6 x 7.5 These mats with oval openings fit perfectly into 6 x 7.5 Frames and are bevel cut to enhance your 3 x 5 photos. Actual mat opening size is 2.5 X 4.5 Inches so that it may safely and securely house your 3 x 5 photo artwork needlepoint sign etc. Brand: CountryArtHouse
