Gives thyroid protection to patients. Gets rid of heavy, unhygienic and uncomfortable lead based collars. This XPF Collar essential qualities are soft to the touch, light weight and comfortably fits around the neck protecting the thyroid area and also soft to the touch. BLOXR XPF Collar can be choose to make sure a comfortable, anatomical fit and with the safety of 0.5mm lead equivalent protection. This is a machine washable material. primary features are flexible, protects the thyroid area, 0.5mm lead equivalency, lightweight, soft to the touch and comfortably fits around the neck.