Vellum Page 2 (100 Pixels Per Inch) 

Transparent Vellum Elements in various sizes

Generally:  an 8- is sized for and 8.5x11" page and a 12- is sized for a 12x12" page.  However, they can be adapted for both sizes.

Vellum Strip 1                Vellum Strip 8-1        Vellum Strip 12-1

Vellum Strip 12-2          Vellum Strip 12-4        Vellum Strip 12-5