The 11 x 14 frames are designed to fit prints 8x10 with mat.

The 8 x 10 frames are designed to fit a 5x7 prints with mat or, if you remove the mat, it can fit a 8x10 print. Includes an easel-back for displaying on a shelf or table top.

Then 5 x 7 frames are designed to fit a 5x7 print only. Includes an easel-back for displaying on a shelf or table top.