Slipp-Nott Traction Set for Ultimate Grip on the Court (Replacement Mat Included) Used By Professional, College, and High School Basketball/Volleyball/Tennis Teams Removes dust, dirt and wax build-up from athletic shoe soles with one quick action! Increases safety and performance of any athlete needing traction on smooth indoor floors Typical basketball/volleyball game usage is 3-5 sheets LIFETIME MANUFACTURER WARRANTY ON ALL BASES!