Hymalaya salt lamp 3-5 kg   Features Weight: about 3-5 kg Height: 20 to 25cm Each pink salt crystal is from the Himalayan mountains. The material is totally natural , so the weight, size, color and shape of each salt lamp are different. When switched on, the lamp naturally emits negative ions to counteract radiation and purify the air. Also favors people who have asthma and allergy symptoms . The multifunctional salt lamp can be used for decoration, lighting, purification and meditation, which is suitable for various places such as the bedroom, the living room, the office, the study.