DUO Bedding Set is made to be expressed. Every duvet cover in this set comes in two complementary colors. Flip the covers from one array of eye-catching colors to another, all while enjoying our 100% cotton weaving that’s lightweight and soft to the touch. Similar to Jersey Knit material which comes with a slight stretch allowing your bedding to hug and move with you throughout the night. Each Medium, Medium+ & Large bedding set includes... +1 Duvet cover +1 Bed sheet +2 Pillowcases Each Small bedding set includes... +1 Duvet cover +1 Bed sheet +1 Pillowcase Comforter/Duvet insert and pillows are not included. Shop Plant Based Duvet Insert. Shop Plant Based Pillow. Want a full set with duvet insert and pillow? Shop Duo Bedding Bundle.