Clangers Childrens/Kids Official Glow In The Dark Single/Twin Duvet (One Size) (Multicolored) Twin duvet/comforter set with official Clangers branding and glow in the dark detail. Reversible design. Includes 1 pillow case. Size (approx): Pillow Case- 19.5in x 29.5in, Comforter- 54in x 78in. 50% Cotton, 50% Polyester.