Goose down has one of the highest heat capacities among fibres - it retains heat more than other fills. It provides a comfortable and easy sleeping environment due to its light and thin structure. Goose down is odourless and dust mite free.Fabric 100% Cotton; Fill: 75% Down, 25% Feather; 700 fill powerOne king comforter - Dimensions: 96" x 108"This comforter is suitable for all seasonsThe filling of this comforter is made from the jowl and back feathers of goose. As the rate of jowl feathers increase, the rate of softness, lightness and heat capacity also increases.Back feather, which is generally mixed with a certain rate of jowl feather, provides volume and elasticity to the products due to its structure.