Check out this easy reusable rice hand warmers tutorial – a project so simple, it’s all about sewing straight lines, and you can whip them up in under 5 minutes! These hand warmers, made from 100% cotton fabric and thread, are completely safe for microwave use. They heat up beautifully, offering a comforting warmth for about 20 minutes. You can fill them with uncooked rice, flaxseeds, whole kernel corn, or cherry pits – all of these work great. For an extra touch, add dried lavender or essential oils to personalize the scent. So grab your fabric and favorite filling, and make your own reusable hand warmers for chilly days!