AIAYU SLEEP is a luxurious collection of organic bedding made from crispy cotton poplin. Personalize your sleep environment with exclusive bedding that is both light and breathable. We have duvet covers in all shapes and sizes: Our collection is designed for standard single duvets, XL duvets, double duvets and double duvets with XL length. All bedding comes in sets with both a duvet and pillow cover.