Chelsea FC Official Bullseye Reversible Single Duvet Cover Bedding Set (Twin) (Blue/White) Chelsea FC bedding. Ideal for the bedroom of any fan. Size (approx): Duvet/Comforter cover - Twin: 53in x 78in, Pillow Case (x1): 19.6in x 30 in. 52% Polyester, 48% Cotton. Machine Washable.