The new IMPACTO SLK GRIP fits snuggly over most shoes and boots and provides outstanding grip and traction to protect from accidental slips and falls. The SLK GRIP's tread pattern does not mark floors. The SLK GRIP is fully washable and 100% waterproof. They are durable and flexible, hard to tear and can be used over and over again. The SLK GRIP is ideal for use indoors or outdoors; at home, the office, schools, gardens, parks, farms or anywhere when walking on wet surfaces. The SLK GRIP is perfect for work sites such as warehouses, offices, and construction applications such as roofing.