unframed (left) : 31.1 × 19.1 cm | 12 1/4 × 7 1/2 inches
unframed (right) : 31.1 × 11.4 cm | 12 1/4 × 4 1/2 inches
framed : 50.2 × 52.7 × 2.5 cm | 19 3/4 × 20 3/4 × 1 1/2 inches