Atheletic Field Striper single dry line marker 1.Sturdy steel construction with 4 large,easy rolling wheels and collapsible handle for easy storage2.light weight housing includes windscreen,fingertip on/off level,storage for 12 extra cans .3.Non-toxic aerosol spray goes straight downward for complete coverage(paint sold separately)4.Maintenance free,no messy clean up. Athletic Field Striper