Medium:
Internal Size: 8 x 10 inch (205 x 255 mm)
External Size: 22 x 24 inch (560 x 610 mm)

Oversize A:
Internal Size: 24 x 48 inch (610 x 1220 mm)
External Size: 38 x 62 inch (960 x 1575 mm)

Oversize B:
Internal Size: 30 x 40 inch (760 x 1020 mm)
External Size: 44 x 54 inch (1120 x 1370 mm)

Oversize C:
Internal Size: 36 x 48 inch (915 x 1220 mm)
External Size: 50 x 62 inch (1270 x 1575 mm)

Oversize D:
Internal Size: 36 x 72 inch (915 x 1830 mm)
External Size: 50 x 86 inch (1270 x 2185 mm)