... 13mm,etc colour:blue,red,etc up to you SPORT FLOORING(PP TILE/outdoor flooring) material:ppsize:250*250 ... , tennis, racquetball, weight training, aerobics, outdoor futsal, handball, volleyball, badminton and roller hockey.Features:Suspended modular surfaceInterlocking flooringReducing shock ... over the concrete,asphalt or any other hard and flat surface, there are edgings for the finished courts, screws ...