"Ultra-soft, all-season microfiber comforter with 8 built-in corner and side loops to secure your favorite duvet cover Microfiber down alternative fill has a 300 gsm fill weight; provides the cozy comfort of down without the feathers, odor, and sharp quills Reversible color design is like two comforters in one to easily match your decor and mood Box stitch design keeps the fill in place, so comforter maintains a recently fluffed look; backed by a 3-year warranty Machine wash comforter in cold water on a gentle cycle, then air dry or tumble dry on low to maintain quality, freshness, and comfort; California King size measures 102"" x 96"""