Arsenal FC Childrens/Kids Official Patch Football Crest Duvet Set (Full Bed) (Red) Childrens duvet/comforter set with Arsenal FC branding. Includes one pillowcase. Size (approx): Comforter cover - (Twin) 53in x 79in, (Full) 79in x 79in. Pillowcase - 20in x 30in. 70% Polyester, 30% Cotton.