Product Name: GLOWING Heating Pad With Gel For Pain Relief, Hot Water Bag Electric With Gel (PACK OF 1) 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. The charging port, charging cable with safe material, it will be shut off automatically, safe explosion proof. Relieving body pain, keep warm: electric warming bag with multi function, this electric heating pad can help arthritis and pain relief, and keep your hands, body, foot warm, Long maintain time, rechargeable design: our electric heating bag can keep warm in long time, about 2-5 hours indoor, in the bed about 6-8 hours(theoretical time).