Acetate and Polyester Pages
Sizes Based on Visual Area with black paper inside. 
For white, please add $ 0,25 up to size 14 x 11. And $ 0,50 for bigger sizes.

Metric 

180 x 128 
204 x 153 
255 x 204 
280 x 215 
305 x 230 
320 x 240 
330 x 255 
355 x 280 
380 x 305 
400 x 305 
430 x 355 
560 x 430 
610 x 455

Inches

7 x 5
8 x 6
10 x 8
11 x 8.5
12 x 9
12.5 x 9.5
13 x 9.75
14 x 11
15 x 12
15.75 x 12
17 x 14 (17 x 13 3/4 visual)         
22 x 17
24 x 18