Skylanders Supercharged Childrens/Kids Official Glow In The Dark Single Duvet (Twin) (Multicolored) Please note: This product is a UK import, this duvet cover supplied is slightly smaller than the standard US duvet size, it will fit but the duvet may fold at the edge when covered. This is not a comforter but a cover for a duvet. Single/twin duvet set with official Skylanders Supercharged design. Includes one pillowcase, Size (approx): Pillowcase- 20in x 30in, Single/Twin- 54in x 78in. 50% Cotton, 50% Polyester.