Size 4 - 3 x 3.25 inch - PL3. Size 5 - 3.0 x 7.5 inch. Size 6 - 3.5 x 4.5 inch - PL4.
Size 7 - 4.5 x 4.5 inch - PL5. Size 8 - 4.0 x 5.5 inch - PL6. Size 9 - 5.0 x 7.5 inch. Size 10 - 5.5 x 5.5 inch - PL7. Size 11 - 7.5 x 7.5 inch - PL10.
Size 12 - 6.0 x 9.0 inch - PL11. Size 13 - 8.0 x 11.0 inch. Size 14 - 9.0 x 12.75 inch - PLA4. Size 15 - 10.0 x 14.0 inch. Size 16 - 12.75 x 12.75 inch.