The 8.5 x 11 is a frameable print. There is an option for this product to be enclosed in a cardboard mat for a $10 additional charge. The dimension of this would be 11 x 14.
 
The 13 x 19 is a frameable print. There is an option for this product to be enclosed in a cardboard mat for a $10 additional charge. The dimension of this would be 18 x 24.