QUALITY MATERIAL - Utilizing 100GSM Washed Microfiber fabric, softness, sweat-absorbent and breathable, it offers longer durability and comforter all year around as luxury bedding. The duvet ocver set applies a pre-washed process, high density can get good warm properties, wrinkle, shrink resistant and Never fade, luster more gentle, feel more soft. THOUGHTFUL DESIGN - JML duvet cover use hidden zipper closure, Long enough for you to put the duvet insert easily, Closes completely with no open end, it is more durable and reliable than button. Are you still worried about the comforter getting curled up at night? There are little ties in 4 corners to hold the comforter in place, without fear of gathering into a ball. Twin Size: 1xPillowcase 20''X26'', 1xDuvet Cover 68''X90'' Queen Size: 2xPillowcases 20''X26'', 1*Duvet Cover 90''X90'' King Size: 2xPillowcases 20''X36'' , 1*Duvet Cover104''X90'' The duvet insert and pillow insert are not included.