Our rice bag neck wrap is filled with rice and can either be heated in the microwave or frozen to provide heat or cooling comfort. Sewn with 100% cotton flannel fabric for ultimate softness and comfort. DK Neck Wraps can be used to relieve pain and tension in the neck, shoulders, back, arms, legs, and more. *Place in microwave for 60-90 seconds for heat therapy *Store in freezer to use as a cold pack *Dimensions- approx. 20" X 4.5"