ALL SEASON COMFORT - The fabric is 120gsm thick double-brushed microfiber and the filling is down alternative polyester. This comforter is high quality and breathable, warm in winter and cool in summer for year round comfort. SOFT & COZY - Overfilled with premium resilient spiral microfiber , providing excellent comfort and softness. This luxurious down alternative comforter is friendly to those that are allergic to goose down and feather bedding. Lightweight, Noiseless, No Tearing or Horrible Odor U-SHAPE ERGONOMIC QUILTING - After many sleep tests, we finally found this U-Shape quilting design which can keep filling well-distributed and avoid any shifting and clumping, Perfectly fit human body curves regardless if you are a side sleeper, back sleeper or stomach sleeper. Extra filling in 4 sides effectively blocks out the cold air and keeps you warm all night DURABLE & STABLE ON BED - 8 built-in ties are more stable than traditional duvet. The elegant premium 6mm piping not only looks beautiful but also effectively prevent edge breakage and drop lines. The durable precise stitching prevents this comforter from line breaks and the filling squeezed together even after many washes EASY CARE - Same quilting pattern on both sides, more convenient to use. Machine washable and easy to be fluffy again SLEEP ZONE Twin Comforter Duvet Insert, Down Alternative Reversible Comforter, Lightweight, Soft and Breathable Bedding All Season, A Side Burgundy + B Side Grey