Giddy up Himalayan Salt Licks are 100% Pure, Natural Himalayan Rock Salt which provide essential micro nutrients in a natural form providing 84 trace elements and minerals in minute quantities that correspond with the mineral in cell structures. These trace elements and minerals are so small they can be absorbed at a cellular level. There are many differences from Giddyup Himalayan Salt Licks and ordinary sea salt licks. Giddyup Himalayan Salt Licks are carved from 250 million year-old natural salt from the Khewra Mine(Himalayas)Long-lasting for horses, livestock and other pets to enjoy for hours on end. They are rock hard, so horses, livestock and other pets cannot bite pieces out of them. Giddyup Himalayan Salt Licks and DARK HORSE blocks make the perfect unique gift for animal lovers.