Life-flo pure magnesium flakes is a super-concentrated, unpolluted source of magnesium chloride brine that is ideal in the bath for full-body or foot soaks. Mined from the ancient zechstein seabed in the netherlands, each cup contains 51 grams of magnesium chloride and trace elements from ancient seawater. This one-hundred percent pure product comes in a 2.75 pound jar. Life-flo: natural living. country of origin : united states size : 2.75 lb pack of : 1 selling unit : each ingredients : 100% pure magnesium chloride flakes from the ancient zechstein seabed in the netherlands. One cup of flakes contains approximately 51 grams of magnesium chloride;and numerous trace elements from ancient seawater keywords : bath;body;feet;health;hygiene;natural;salts