The set of two wooden tea light holders is exclusively designed for use with battery-operated candles. In addition, two color-changing battery candles will be included with the tealights. The holders are available in four color options: Canadian red cedar, Georgian oak, Walnut, and Red mahogany. These holders measure approximately 8cm in height and 9cm in circumference. Kindly specify your preferred color choice when placing your order. Furthermore, free postage within the UK is provided.