An 11×14 picture frame will be able to hold 1 large photo or even a painting. You can also use this size photo frame to hold several of your pictures making a photo collage. You can even take one smaller picture and frame it in a colored poster board flat frame to put into your 11x 14 picture frame to give it a wider colored border to the frame holding it all together.
The picture frame can have any where from a very thin to not showing at all boarder, to several inches wide and thick material used in its construction. Materials used to make these frames can be wood, plastic and even metal. With metal, aluminum in used because it is lightweight. You can even find a frame that looks as if it has no boarder. These are use a lot with smaller type posters. This type of frame is called a clip frame.
Some popular box frames are made of plastic or a very clear acrylic. These will also look as if you do not have a frame around your picture, but the box style will hold the picture away from the wall by the thickness of the frame. This frame should not be confused with the shadow box frame. This type of frame is thick and the picture is mounted in the inside of the box. This can cast a shadow on the picture, hence the name shadow box frame.
You can get craft frames in this size also. They are made usually of unfinished pinewood. You can finish these any way you would like to. Do this by simple painting or you can glue different articles on it to decorate it. This is a way to really get a custom look or the one of a kind look.
For things usually up to ¾ of an inch or thicker, you can get a hinged door solid wood display type frame. These frames use polyester cotton batting to hold your displayed items in place. The front of the frame will be on a hinge and will open up so you can place your items inside. You can put items that have depth in this type case without the batting also. Dried flowers and delicate items work well in this type of frame also.
For a really simple 11×14 picture frame, you can get a freestanding bent acrylic frame. They are for displaying your photos on a table or any other area to set it on. You can get these also in double and triple vertical picture types for holding more than one picture. You can also get the single and double horizontal frames.