These goose down surround pillows are 100% natural with a goose feather core that is surrounded by new white goose down combining the softness and luxury of a down pillow with the support of a feather pillow. Offers soft to medium support. 90% new white goose down and 10% new white goose feather. Inner 85% new white goose feather and 15% new white goose down. Cambric cover 100% cotton.