This slim, portable instant heat pad will slip into your pocket or glove to provide instant heat with just one click which is ideal for people with Reynauds Syndrome or stiffness in the joints.Also available as a pair, this pad is extremely easy to use and can be re-used time after time. All that is required to activate it is to flex the disc inside the pad. This triggers a reaction that releases heat almost instantly, providing welcome respite from cold weather and soothing relief from minor aches and pains. Pocket heat pads are ideal for outdoor pursuits and chilly days; whether you\'re queuing for a bus, wandering around an open air market or taking a country walk. This Instant Heat Pad is also great for targeting general aches and pains, improving poor circulation and soothing injuries. When you \'click\' and bend the metal disc inside the pad, it heats the whole Heat Pad in seconds, with no other power source required. To reuse the heat pad, heat in gently simmering water (do not boil) to melt the crystals back to the original liquid state, ready for your next click!.