Before revision: They come in various sizes, ranging from the large 13×10″ (33×25 cm) and 12×9″, midsize 11×8″, 10×7″ (25×18 cm) and 9×6″ , to the small 8×5″, 7×4″ and 6×4″ (15×10 cm) .
After revision: They come in various sizes, ranging from the large and , to the small , andmidsize , and , .