The 3M™ Disposable Overboot covers 440 are disposable boot covers designed to provide basic barrier protection to help protect footwear against light liquid splashes and hazardous dusts. Benefits Universal size with ties to provide a good fit for a wide range of users. Elastic at the calf to provide closure around the top of the footwear for protection against contaminants Provides protection for user footwear and reduces risk of workplace contamination. Universally designed to be used with a variety of protective coveralls, including all 3M Protective Coveralls. Sole and upper construct