Crystal Salt tea lights candles holders are beautiful and original pieces that have an elegant shape and many variations of color. As the fire lights the salt crystal, it creates a warm and glowing, healthy ambiance. Individually boxed! Weight 1.32 ~ 2.0 kg and   2.9 ~ 4.4 lb. Features: 950 ~ 1050 ionic/cc. Treatment area is 64 square feet*.Estimated life is 4+ years.