Insert a funnel into the top of a clean cotton tube sock.
Pour 2 pounds of uncooked long-grain rice through the funnel into the sock.
Remove the funnel, and add 5 drops of lavender essential oil directly on top of the rice in the sock.
Tie a knot in the end of the tube sock to close it.
Microwave your scented rice heat pack for one to three minutes on high. VIA
Do It And How 