100% Polyester ALL-SEASON COMFORT: Named one of the "Best Comforters" by Apartment Therapy, this down alternative comforter undergoes 32+ steps for a softer touch. Featuring a 300 GSM polyester fill and a durable shell, it provides warmth in winter and breathability in summer, ideal as college essentials Twin XL (68"x92") BOX STITCHING DESIGN: Designed with a box-stitch construction that keeps the fluffy fill in place without shifting, the Bedsure Down Alternative Comforter ensures the filling is evenly distributed for the most relaxing sleep back to school PRACTICAL DESIGN:With 8 tabs on each side, this comforter versatilely doubles as a duvet insert to precisely match your bedding preference, should you wish to style up dorm decor with a duvet cover EASY TO CARE:Please gently fluff the twin xl comforter and let it rest for up to 24-48 hours after taking it out of the box to ensure maximum fluffiness. Machine wash separately in cold water on a gentle cycle and tumble dry low for a like-new restoration