SÉNS Reusable Heating Pad Period Pain Relief Instant Heat in a Single Click

[ PERIOD PAIN RELIEF ] - Place the heating pad on your tummy or your lower back. [ INSTANT HEAT ] - Gently bend the metal coin to activate the heat. You will see the crystals forming in seconds and feel the heat! [ FAST RECHARGE ] - After use, boil the heating pad in a pan for 3-5 minutes. The pad will go clear to show it's ready! [ SAFE AND COMFORTABLE ] - The maximum temperature is 54°C so it is safe, but you may prefer to use our cover as a barrier on initial use if you have sensitive skin or prefer lower temperatures. [ REUSABLE 3000 TIMES ] - No need to throw away after one use like with other single-use heat patches.