Zelta Real Flame Effect LED Pillar Candle Battery Operated Unscented Smokeless Dripless (6 Packs) Made from PP material; Size of 1.4" x 1.4" CR2032 3V lithium cell battery is required for each candles 60+ hours of light-time and can be replaced easily via the tab at the bottom Zero carbon emission; Safe to have near children and pets Perfect for party, weddings, table-top decorations, like bookshelves and bedrooms