Material:100% cotton fabric, soft and delicate, good ventilation, good skin-friendly. IMPORTANT NOTICE ONE:This bedding set is NOT include any comforter insert stuff, just cover, there is zipper on the side of the duvet cover, so you can put your own comforter filling into the cover :) Reactive printing and dyeing technology,bright colors, durable,not fade.Double needles sewing edge,high grade. Machine wash cold, gentle cycle, only non chlorine bleach when needed, tumble dry Low, Cool iron if needed.