How to Make Heat Bags


Heat bags can be used to ease arthritis, sore muscles or to simply keep your tootsies warm on a cold night. Heat bags are efficient since they can be transported, heated up anywhere there is a microwave and will maintain their warmth for up to a half an hour. Heat bags are very simple and inexpensive to make. Sewing novices need not fear this project since straight lines are all that is required.

Things You'll Need

  • Flannel
  • Scissors
  • Straight pins
  • Funnel
  • Uncooked rice
  • Sewing machine
  • Cut the flannel 9 inches by 22 inches and fold in half with the right sides facing each other.

  • Sew a straight seam 1/2 inch from the edge on all three open sides of the material, but leave a 3-inch to 4-inch opening on the final corner.

  • Turn the bag right side out and insert the funnel into the opening.

  • Pour uncooked rice into the bag until it is three-quarters of the way full.

  • Carefully fold the edges of the opened section in 1/2 inch and secure with pins. Sew the final opening shut, removing pins as you go.

  • Place the heat bag in the microwave for two minutes on medium heat. Upon removal, shake it gently to distribute the warmth evenly and apply it where needed. Store it in a cool, dry place between uses.

Tips & Warnings

  • If you would like to add fragrance to your heat bag, you can include one cup of dried, crushed lavender or several drops of essential oil to the rice and shake to mix it thoroughly. Both of these options can be found at your local craft store.

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  • Photo Credit brown rice image by Steve Lovegrove from
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