"Irish and Proud of it" Shamrock Shaped Hand Warmers "Keep your hands or feet warm this winter whilst out and about !" Made from sealed silicone plastic,filled with a special formulated gel with a little round plate which activates heat when squeezed. Track and Squeeze the little plate and the pad heats immediately. Place in your hands or inside your gloves and immediately you will feel the warmth of the pads.The shamrock shaped pads will stay warm for 20 mins approx. For recharging simply place the Mini Hot - Pads on a lint cloth in a pan of hot water and boil for about 5 minutes. Now they are ready for warming you up again ! Designed and shipped direct from Ireland. Suitable for your own use or as a gift for others. Size each hand warmer : 8cm x 9cm. Pack of 2.