You can eat them, you can grind them up and salt your driveway with them. You can throw them through a TV screen (Elvis reference). So many uses. It's Himalayan salt (Pakistan). They weigh about a pound and a half. About 3 by 3 1/2 inches. Yours may be darker or lighter. Doesn't include the candle. You could probably use it as an incubator for baby fish that grew up in a brackish environment. Brine shrimp.