Slip Free Bathroom Safety Invisible Bath Mat Spray Slip-Free is a propriety formula that offers invisible Non-Slip application for porcelain tubs, tile Slip-Free will Increase the friction up to 400% when subjected to being wet Reduces the risk and danger of slip and fall accidents Total installation time can be completed in less than 5 to 10 minutes Recommended especially for the elderly and small children who are most vulnerable to slipping