Our acid-free matboards are 4-ply and feature a white core. With an overall size of 20 x 24 these mats fit perfectly into 20 x 24 frames. Each mat is bevel cut to enhance your 16 x 20 photos. The actual mat opening size is 15.5 X 19.5 Inches so that it may safely and securely display your 16 x 20 photo artwork needlepoint sign etc. Includes backing and bags. Brand: CountryArtHouse
