The DuPont™ Tyvek® non skid shoe covers are a more tear-resistant type of shoe cover. This material is stronger and can withstand many snags and scrapes that the polypropylene can’t. In addition, DuPont™ Tyvek® shoe covers can also withstand light splashes and moisture. The DuPont™ Tyvek® material shoe covers work great for heavy duty industrial applications, working on potentially slippery smooth flooring, and in the medical field. The FC friction coated DuPont™ Tyvek® is a skid resistant gray color solid material. 5″ with elastic top. One size fits all. Sold in case quantity of 200 pieces, priced per each case.