Inner frame size:

Black Walnut-R

Teak-R

Cherry Wood-R

Sabri-R

Beech-R

Outer frame size:

6 inch (inner frame 10*15cm) with 4 inch cardboard

7 inch (inner frame 13*18cm) with 5 inch cardboard

8 inch (inner frame 15*20cm) with 6 inch cardboard

10 inch (inner frame 20*25cm) with 8 inch cardboard

12 inch (inner frame 25*30cm) with 10 inch cardboard

14 inch (inner frame 25*35cm) with small 12 inch cardboard

16 inch (inner frame 30*40cm) with 12 inch cardboard

A4 (inner frame 21*29.7cm) with 8 inch cardboard

A3 (inner frame 29.7*42cm) with A4 cardboard

Inner frame 15*15cm-with 10x 10 cardboard

Inner frame 20*20cm-with 15x 15 cardboard

Inner frame 25*25cm-with 20x 20 cardboard

Inner frame 30*30cm-with 25x 25 cardboard