Long Lines are packaged in sets of 12. They are each 24" long and 3" wide. An absolutely great way to quickly set up tennis court boundaries, define target zones, or to clearly guide players to correct court position. Designed to fit into any racquet bag, Long Lines are an ideal length for team coaches, traveling coaches, and players. One side has a slip-resistance grip pattern molded into the surface. The Orange Long Lines to create boundaries for 60-foot 10 and Under Tennis courts. Also Available in Yellow and Red (36 ft 10 & Under)