Substitution Board Functional signaling: allows posting of numbers 0099 plus color coding to indicate player status. Yellow denotes players entering the game and orange denotes players exiting the game to minimize confusion during substitutions. Readable from both sides: double sided bright color display for easy readability from either sideline. Each side is color coded for quick recognition. Size and clarity: large size 33 x 15 x 0.2 inches, designed for clear visibility during play and substitutions. Versatile use: suitable for a wide range of sports and competitions, including table tennis, badminton, basketball, swimming, volleyball, and other events that require player substitutions. Visibility and design: professional fluorescent design with bright, vivid colors to ensure clear identification even at long distances on the field or court. Practical benefits: helps staff, players, referees, and spectators keep track of who is entering or leaving the game quickly, reducing delays and miscommunication during substitutions. Use scenarios: Basketball games at the bench: signaling which players are entering and exiting the court during stoppages. Table tennis or badminton team events: rotating players between matches or sets with clear oncourt signaling. Volleyball or other team sports: managing substitution flow during timeouts or play, ensuring all substitutions are visible to officials and players.