Size Guide for ordering prints
A4 Prints Unframed: Supplied with a mat surround and foam core backing that fit perfectly into an A3 frame.
A4 Print Framed:  Supplied mounted in an A3 frame with mat surround and foam core backing.
A3 Print Unframed: Supplied with mat surround and foam core backing that fit perfectly into a 500mm x 400mm frame (depending on orientation) 
A3 Print Framed: Supplied mounted in a 500mm x 400mm frame with mat surround and foam core backing (depending on orientation)