Since 1974, Medi-RayTM's has been the largest supplier of radio-pharmaceutical shipping containers. Medi-RayTM is mainly known for shielding radioactive products, X-ray, PET, CT or MRI equipments. Lead is used for shielding of radioactive products. Lead shielding refers to the use of lead to shield or protect people or object from any radiation. For more information call at 877-898-3003 / 914-979-2740 or Fax on 914-337-4620. You can also send email at [email protected]. Visit http://www.mediray.com/.