Size 4-6lb. All Natural Himalayan Salt, No Preservatives or Additives. 84 Trace Minerals in this Natural Rock. This Himalayan Salt on a Rope is the most economical salt lick available nationwide. As a natural rock, our Salt on a Rope will last 3 times longer than a pressed salt lick! Helps improve health condition of your pets and animals. This Salt on a Rope product come with a sturdy and long rope as opposed to nylon or cotton.