These beautiful tea lights are as good as the real things with none of the risks from traditional candles. They require no matches so you have no risks for children or pets. Plus, they will fit into any standard size tea light holder. Add a warming glow to your evening that looks as good as the real thing. Each candle size: 2.5 x 2.5 cm. Requires 2 x CR2032 button batteries which come included.