Inner frame size:

5 inch horizontal and vertical universal 8.8 x12.8

6 inch horizontal and vertical universal 10.1 x15.1

7 inch horizontal and vertical universal 12.8 x17.8

8 inch horizontal and vertical universal 15.1 x20.1

10 inch horizontal and vertical universal 20.3x 25.3

A4 horizontal and vertical universal 21x29.7

Small 12 inch horizontal and vertical universal 20.3 x30.3

Large 12 inch horizontal and vertical universal 30.5 x25.4

8 Open horizontal and vertical universal 38.2 x26.6

A3 horizontal and vertical universal 29.7x42

16 inch horizontal and vertical universal 30.5 x40.6

20 inch horizontal and vertical universal 40.5 x50.8

Outer frame size:

Vintage White

Retro Powder

Vintage Golden Green

Vintage light green