Elf Bar is a brand of disposable electronic cigarettes or e-cigarettes. It is a type of vaping device that comes pre-filled with e-liquid and a charged battery, allowing users to inhale vaporized nicotine without needing to refill or recharge the device. Elf Bars are designed to be compact, easy to use, and convenient, making them popular among people who are looking for a simpler alternative to traditional smoking or other vaping devices.