Environmental material, safe use: this electric rechargeable heating bottle with fleece cover, inner pocket plus velvet, you can put your hands in to keep them warm. The cover material is high quality fabric, soft and comfortable, skin-friendly.
Easy to use: if want to use it, first fill about 1100ml water into the bag,then use the stopper to stop water spill out. Insert the charging port on the hot water bag first, then connect power supply when charging.