These bean bag warmers are a great alternative to heating pads. They can be used over and over, heat up quickly in the microwave, and there's no wires or plugs to fuss with.
You will need - fabric, sewing supplies, pinto beans or rice
Step 1: Pick Your Fabric
Pick a durable cotton for your bean bag. The fuzzy side of sweatshirts work well. If your fabric is thin, fold it in half to double the strength.