Outer dimension
5"x7", 8"x10",11x14,12x16,14x18 or others
Inner dimension
3x4.5,3.5x5.5,4.5x6.5,3.5x5.6 or others
Color
white, black,red, brown or others
Fits picture
3.5x5, 4x6, 5x7, 4x6, 4x7 or others
thickness of paper easel
1.0mm+1.0mm,1.0mm+2.0mm