Customers find this electric heat pad reliable and fast-heating with an adjustable thermostat. They praise its soft fabric, quick heat-up, effectiveness for pain relief, good build quality, energy saving and portable size. Some customers, however, wish for a larger surface area, a lower low-heat setting, and have reported controller longevity issues. Overall experiences include clear safety instructions prompting returns for pacemaker users, swift refunds, timely delivery, long cable and UK plug appreciated, and a recent change to dark grey colour options.