Now you can set up game boundary lines quickly and easily with these bright, portable markers. Simply place these tough vinyl lines where you need them to mark boundary lines for a variety of games-indoors or out. No need to paint lines or apply tape to the floor. Straight pieces are 12" x 2 1/2" and "corners" are 12" x 12". Complete set comes with 20 straight pieces and four corners along with their own reusable storage box.