These all natural frames are indivdually crafted. No two frames will be exactly the same.Expect variation in color and appearance. Note:1. Each frame will have 1/4'' added to the length and width when you order. 2. The size you select below is the inside dimension of the frame and the molding size. The molding size is the width of the planks on each of the four frame sides. To find the outside dimension based on the selected molding size and inside dimension, double your selected molding size and add that number to each inside dimension. Example: You select an inside dimension of 15'' W x 20'' L, with a 3'' molding size. 3 *(2) = 6 and (6 + 15) = 21'' W x (6 + 20) = 26'' L. So the outside dimension of your frame is 21'' wide x 26'' long.