Listed Size
Size includes mat and image size

XS - 8×12 (1” mat)

S - 12×18 (1” mat)

M - 16×24 (2” mat)

L - 20×30 (2” mat)

XL - 26×36 (2” mat)

Framed Size
Size includes mat, image, and frame

XS - 10 1/8” x 14 1/8”

S - 14 1/8” x 20 1/8”

M - 18 1/8 × 26 1/8”

L - 22 1/8” x 32 1/8”

XL - 26 1/8” × 28 1/8”