TrippNT Biohazard Personal Protection Shields Provide Protection When Working With Caustic Or Corrosive Materials. TrippNT Biohazard Personal Protection Shields are made of heavy duty 3/8" acrylic to provide long lasting durability. Angled clear plastic is completely transparent and provides easy work space to protect eyes and face from harsh chemicals. Available styles include Biohazard Personal Protection Shield, Extra-Wide BioHazard Protection Shield, and Ultra Heavy Splash Guard. Dimensions vary per model.