Our acid-free matboards are 4-ply and feature a white core. With an overall size of 12 x 16 these mats fit perfectly into 12 x 16 frames. Each mat is bevel cut to enhance your 8.5 X 11 photos. The actual mat opening size is 8 x 10.5 Inches so that it may safely and securely display your 8.5 X 11 photo artwork needlepoint sign etc. Includes backing and bags. Brand: CountryArtHouse
