30x40 Premium Double Matboard frame-double-mat Lightweight & durable with a

Lightweight & durable with a built-in level & precision measurements to space out groupings

Conservation quality matboard is acid-free and lignin-free throughout the surface

instantly elevating any piece and protecting it for a lifetime

These custom-cut mats are individually cut using computer-guided tools that deliver precise and consistent results every time

backer board

30x40 Premium Double Matboard frame-double-mat Lightweight & durable with aOur custom cut double 30x40 matboards are individually cut using computer guided tools that deliver precise and consistent results every time. Our double 30x40 mats are two layers to highlight and bring out colors in your images. The primary (top) color has a set back opening to reveal the secondary (bottom) mat. The standard color reveal of the bottom mat is 14 on all sides. 30x40 Matboard Details: Acid free matboards from the industry leader,