JnS Electric Hot Water Bag is a convenient and safe solution to stay warm and get relief from pain. You can fill it with water and heat it through electric charging. Unlike gel-based bags, this one is more natural and long-lasting. Refillable Design Can be filled with water and reused for a long time. Electric Heating Heats up within minutes through charging. Safe & Durable Made with high-quality material, reducing the risk of leakage or burns. Multipurpose Use Ideal for warmth during cold nights and relief from muscle pain, joint pain, back pain, and period cramps. Portable Lightweight and easy to carry anywhere. Jnsmall Provides High-Quality Tools And Gadgets To Make Your Time In The Kitchen A Breeze. Their Innovative Designs And Durable Materials Ensure That Your Kitchen Utensils Will Withstand The Test Of Time. So, Go Ahead And Browse Through Jnsmall'S Collection To Find The Perfect Kitchen Utilities That Suit Your Style And Needs.