Colours: Charcoal grey, white, cream, silver or dusky pink. Upgrade: Upgrade to include a fitted sheet. Sizes: Single, double, king or super king. Seersucker: A fun material that offers a contemporary look to the bedroom. Bedroom: Get a seersucker quilt duvet cover set. Includes: One duvet cover and one pillowcase for the single set, two pillowcases for all other sizes.