Our Pain Wraps help relieve the aches and pains in your neck and shoulders as well as pain associated in arthritic joints. Can be heated in the microwave or placed in the freezer. Made with flax seed and lavender from our farm. Flax seed maintains the hot or cold temperature and the lavenders fragrance is wonderful. Approximate dimensions 5 1/2" x 18 3/4". Product comes with usage directions.