Each pink salt crystal comes from the Himalayan mountains. The material is completely natural, so the weight, size, color and shape of each salt lamp are different. b> When the lamp is lit, the lamp naturally emits negative ions to counteract radiation and purify the air. It also benefits people with asthma and allergy symptoms. The multifunctional salt lamp can be used for decoration, lighting, cleaning and meditation, which is suitable for different places such as bedroom, living room, office, study. b> Beautiful light helps relieve the eyes and relax your mind.