PRMB is the frame that has the smiley headboard and footboard. 

Height Dimensions: Headboard Post- (Platform 36", Boxspring 40"), Footboard Post-(Platform 19 5/8", Boxspring 23 5/8"), Under Rail-(Platform 9 3/4", Boxspring 6 3/4"), Mattress Platform- (Platform 14 1/2", Boxspring 9 1/4")