Pack of 2 Premium Quality 9" to 11" Natural Himalayan Salt Lamps on Wood Base with Cords and Light Bulbs Completely Natural Ionic Air Purifier 14 to 17 lbs average per lamp metaphysical crystal healing What we do guarantee is Brecciated Jasper Promotes Strength What we do guarantee is that every piece will be spectacular and contain a strong positive energy that can only be found in the Hypnotic Gems® brand of tumbled stone Please note that the average weight per set with our medium size bookends is 7 9 pounds and these are designed to handle medium books The average height of these lamps is between 9" to 11" but it is possible to get a lamp a little bigger or smaller than these heights since each one is hand crafted and they aren't man made on a machine When turmed on the lamp immediately begins to naturally filter the air with negative ions flowing from the salt and binding to positively charged dust particles bringing them to the ground and leaving the air fresh