Thin Rectangle

Size in inches	Size in centimeters	Black & White Portrait Codes	Colour Portrait Codes
2.76 x 3.54 in.	7 x 9 cm	TRPB3	TRPC3
3.15 x 3.94 in.	8 x 10 cm	TRPB4	TRPC4
3.54 x 4.72 in.	9 x 12 cm	TRPB5	TRPC5
4.33 x 5.91 in.	11 x 15 cm	TRPB6	TRPC6