For those who may be concerned about using electrical devices, there are non-electric alternatives available. Microwavable back warmer pads filled with natural materials such as rice, flaxseed, or lavender are excellent options for those who prefer a more traditional approach. These pads can be easily heated in a microwave, providing quick and convenient warmth without the need for electricity. Many users appreciate the added aromatic benefits of such pads, as they often emit a gentle fragrance that can further enhance relaxation.