Box contains 24 face shields, clips and assembly instructions. Designed to attach to ERB Safety IProtect and IFit Flex safety glasses, sold separately. Clear, lightweight PETG face shield measure 11" x 7" x .020" thick. Shield acts as additional barrier or separator between people. Can be used for sanitary purposes acting as a sneeze guard, low velocity splash or particle guard. Good for use in industrial settings, restaurants, food prep, etc. This does not take the place of a face mask. Designed to fit under the brim of ERB Safety's hard hats and bump caps.