Disney Frozen Childrens Girls Elsa Reversible Single Duvet Cover Bedding Set (Twin) (Blue) Single/Twin bed set with reversible Disney Frozen Elsa design. Duvet/Comforter cover: 54in x 79in. Pillowcase: 19in x 29in (all approx). 50% Polyester, 50% Cotton. Machine washable at 40c.