Ideal Vulcano Rechargeable Thermal Water Bag Ideal for Calming Muscle Dolores Of All Indole, Rheumatoid Arthritis or Menstrual Dishes In an Effective Way. Just occupy a room at home with dimensions of 29x20x6cm. Incorporates a high-performance rechargeable battery for a rapid heating of the load in just 15 minutes. Once heated he will keep the heat for 2 hours to relieve you of all your ailments or heat the bed. The Vulcan thermal bag is very practical and easy to use as it comes full and sealed. It is not necessary to fill it with water or change it in each use. Always ready for when you need it more: plug in and up.