Dinosaur Childrens/Boys Duvet Cover Bedding Set (Twin) (Blue) 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 bedding set with Dinosaurs design. Duvet Cover: 53in x 79in. Pillowcase: 17in x 24in.