Set contains 4pcs "L" shaped markers, 8pcs "T" shaped markers, and 1pc string backpack for storage. The boundary markers are perfectly sized to create a mini or full pickleball courts..Easily visible in a bright color. The bright colors improve visual acuity making them the perfect equipment for mapping out training drills or a playing area..Can be used in a variety of sports and training exercises to create boundary lines and drills. Ideal for training juniors and beginners. Great for physical education and games like tennis, pickleball, badminton, baseball, football, soccer, boxing, basketball, volleyball, golf, martial arts, karate, taekwondo, boxing, Jiu Jitsu..Lay flat on a gym floor, outside on the playground or anywhere you need a temporary boundary or court line. Create a court with these field markers to your friends or students while developing skills..Use your creativity to set up target areas and even make arrows for ball placement. Ideal for either indoor or outdoor use.