Della is a character from the short story "The Gift of the Magi" by O. Henry. She is a young woman who is deeply in love with her husband, Jim. Della is portrayed as selfless and willing to sacrifice her most prized possession to buy a special Christmas gift for him. In the story, Della's most treasured item is her long, beautiful hair. To afford a gift, she sells her hair to a wig maker. This act of love highlights her devotion and the theme of sacrifice, which is central to the narrative.