Quality value for this soft and comfortable reverie prestige natural double duvet 4 season duvet a 130 gm2 duvet for the summer and another 200 gm2 duvet for in between seasons join the two together to form the winter duvet with ties box stitch construction taped edging strengthened with double stitchingwashable at 40supplied in its own storage case2 year guaranteecover superb fine and lightweight percale 100 cottonfilling 100 natural in real new duck down 50 down 50