11x17 Premium Mat, Matboard, Matting with White Core Bevel Cut for 8x14 ImageThis listing is for a premium grade single 11x17 matboard, cut for a standard image size of 8x14 (opening of 7. 5x13. 5). This matboard will fit an 11x17 frame opening. Some of our product highlights include: Premium Pure White CoreIndividually Cut 45 Degree Beveled Inner Edge For An Art Gallery Like Finish4 Ply Matboard (~0. 05" Thick)Made In The USA We offer a variety of colors and sizes, and you can choose your own opening size for your art or