Soft feel and gentle to the skin. Completely machine washable (no bleach) and dryable (cool) without losing shielding performance. Generously cut for comfort and great neck to hip protection for pregnant women, computer and microwave oven users, TV or radio station workers, research and hospital workers, or anywhere people are exposed to RF radiation. Color styles may vary. Tested to provide 40 dB of protection from 10 kHz to 40 GHz!