Our acid-free matboards are 4-ply and feature a white core. With an overall size of 12 x 18 these mats fit perfectly into 12 x 18 frames. Each mat is bevel cut to enhance your 11 x 14 photos. The actual mat opening size is 10.5 X 13.5 Inches so that it may safely and securely display your 11 x 14 photo artwork needlepoint sign etc. Brand: CountryArtHouse
