• casing: 500 thread count, 100% cotton, smooth and soft, excellent breathability and durability. Corner tie offers the option to put on your favourite duvet cover and secures the duvet in place. Down proof, fine double needle edged with satin cord piping, with damask swiss dots pattern. • fill content: premium quality hungarian white goose down supplied by rds members, ensures that down and feathers come from animals that have not been subjected to any unnecessary harm. Filling power of 850 loft goose down cluster provides superb insulating ability to allow you to sleep with maximum comfort matching your body temperature. Warm yet light-weighted and breathable. • baffle box construction: no annoying shifting or “cold spot”. The filling is evenly distributed over you, providing a uniform fluffy surface for a peaceful sleep. • sizes and fills: twin 20 oz (64”x88”), full/double 25 oz (78”x88”), queen 30 oz (88”x90”), king 35 oz (102”x90”), and california/super king 42 oz (110”x100”)! Summer, all-season and deluxe fill! Make a combination that best suits you in any climate! The sizes indicate the measurements of duvet shells. • confidence in quality: this eco-conscious down duvet is made of natural materials. Professionally sanitized and hypoallergenic. Proudly manufactured by highland feather, a member of the down association of canada in canada. 15-year quality warranty.