Cotton Blend, 20% Cotton, 80% Polyester. HIGH-QUALITY - Ensures durability through strong stitching & is manufactured using high-quality filling. BOx STYLE STITCHING - Crisp looking comforter featuring Piped Edges with an elegant Box Style Stitching Pattern that not only looks beautiful, but prevents the fill from shifting during the night, ensuring a comfortable sleep. SOFT & COMFORTABLE - Made using soft material with 100% cotton filling that provides a comfy & cozy feel throughout the night. CONVENIENT SIZE - King comforter duvet insert KING/CAL KING : measures 90 inches by 102 inches. QUEEN : measures 80 inches by 90 inches. MACHINE WASHABLE - Machine wash in gentle cycle with cold water, sun-dry or tumble dry on low heat setting when needed. The DBOZE Cotton Blend Down Alternative Comforter is plush, cozy, & perfect for anyone seeking cloud-like comfort. This product makes use of 100% cotton filling to recreate the light & airy feeling of traditional downs. The comforter is hypoallergenic & safe for even the most sensitive Cotton Blend Down Alternative Comforter