* The 20 pink salt tiles in the pack are all natural. With Free Salt Adhesive. * Salt adhesive is usually made to stick Himalayan salt items together. The formula is safe for the crystallization of salt bricks, so it won't mix chemically with the bricks. * In salt mines in Khewra, Pakistan, they cut and shape enormous pieces of pink rock salt. * In the end, Himalayan salt bricks have healing qualities. They were made to improve a salt wall and replace tiles that were broken. Salt screens are another choice. * They are antimicrobial, which means they kill microscopic organisms that cause illness. * Construction professionals recommend them for their ability to clean the air and create a warm, relaxing atmosphere. * They release negative ions into the environment, which neutralize positive ions produced by electronics. * They also balance electromagnetic radiation and make you healthier. * They can live for a long time if certain safety measures are taken. * A pink salt tile is 8" x 4" x 1". * It takes 2.9 pounds to move one tile and 0.86 pounds to move one salt adhesive. * This pack weighs 58.86 pounds without the extra stuff inside.