Happy Sales Glass Teapot Warmer Heat Proof Glass, Clear Borosilicate Glass heatproof mouth blown teapot warmer by Happy Sales. Fits most teapots (and dishes) up to 1.2 liter (40 fl. oz)with a base of up to 4.4" in diameter. Dimension - 5"D x 3.25"H Include a tea-lite candle. Simply insert and light up a tea candle to keep your pot just the right temperature