These shields offer the highest level of protection and are now mandatory in certain industries in the United Kingdom. Stay safer during coronavirus, flu and virus seasons. Protection from droplets, dust, bacteria, germs, smoke, and more.These face shields are safe and breathableTo fit yours:Wash your hands before touching the shieldUnfold the shieldPlace the shield on the face, then pull the elastic band behind the ears and untwistUsing both hands, move into positionThese face shields are non-bulky and lightweight, making it comfortable to wear.