About this item100% CottonMade in USAFilling: 100% US Grown Organic Buckwheat Hulls. Casing: 100% Natural Unbleached Cotton.May relieve common sleeping problems such as; tension, muscle pain, stiff neck, headache and stressWill conform and adjust perfectly to your head, neck, and spine. Will NOT collapse like foam.The buckwheat hulls allow air to circulate throughout the pillow. Cooling it off quickly.The pillow weight is 2 – 3 lbs *Pillows are filled by volume. The weights are a guide and will vary based on seasonal crop conditions.