Cotton 🎁【All-Season Comforter/Duvet Insert】Our down alternative comforter is an excellent and reasonable duvet insert ideal for all-season usage. Our down alternative comforter has passed the OEKO certification, believe the quality of our lightweight comforters , the microfiber duvet insert is durable, breathable ,Blue Ridge Home Fashions Comforters are cost-effective quilts! 🎁【Multiple Size &Color】The Blue Ridge Home Fashions Down Alternative Comforters are available in multiple sizes, including Twin(68"x88"), Full/Queen(88"x88"), King(104"x88"). Following colors: White, Platinum, Navy, Khaki, Sage, Purple, Black, Navy/Light Blue, White/Platinum, Black/Platinum, Olive/Sage, Chocolate/Khaki, Burgundy/Mauve, Purple/Violet. 🎁【Box Stitching Design】Designed with the 14-inch end to end sewn thru box construction that keeps the fluffy fill in place without shifting, the Blue Ridge Home Fashions down alternative comforter ensures a smooth look and soft feeling for long time,and the filling is evenly distributed for the most relaxing sleep. 🎁【Easy to Care&Gift Choice】Please gently fluff the duvet insert and let it rest for up to 24 hours after taking it out of the box to ensure maximum downiness. Machine wash cold separately. Use the large front-loading washer and dryer. Do not bleach or iron. Gentle cycle only. The lightweight comforter is an ideal gift choice for your family and friends on Father's Day, Mother's Day, Birthday, Christmas, New Year, Housewarming or Back to School. 🎁【The Blue Ridge Home Fashions Comforters】 We are committed to the design and production of bedding and hope everyone has a good night. Everyone's support will be our greatest motivation. If there is any problem with the product, we will provide you with the best customer service to solve it.