Enviroguard Blue Firm Grip Non Skid Shoe Cover, Extra Large - Case of 300Description FirmGrip non skid blue shoe covers are designed for tough working environments. Not only do they protect you from particulates, but they also safeguard against light liquid splashes. Using a multi layer fabric and textured finish, these durable shoe covers offer the traction you need to get things done without slipping. A strong elastic closure keeps shoe covers tightly in place, so your feet and shoes are protected throughout the workday.