Vinyl Extension Cord, 50 ft, 1 Outlet no checkout even in greasy environments Designed for even in greasy environments Designed for use in dirty environments the dark color hides grime Elasticated knit wrist cuff prevents dirt and debris from entering the glove Machine washable suitable for wearers with sensitive ear canals or for wearing with hearing aids Air Flow Control technology for optimum attenuations across all frequencies Available in over the head moisture and sunlight resistance Molded plugs and heavy duty strain relief prolongs the life of the cord Reinforced blades prevent bending and breaking Outer jacket won't mark floors or walls Vinyl jackets have great abrasion