Durable PVC referee penalty card set built to last in all weather and over long-term use. Not fragile, it stays stable during play and supports reliable signaling at any sporting event. Lightweight and easy to carry. Red and yellow cards are designed for simple handling and can be tucked in a bag, saving energy for quick movement and easy access during a match or drill. High-visibility colors for quick recognition. Bold red and yellow provide clear signaling: red means ejection from the field, yellow serves as a warning. This helps players respond promptly and avoids confusion. Wide applicability for referees and coaches. Suitable for football, hockey, and other sports, including training sessions. Used by players, coaches, and referees to maintain fair play and discipline. Use scenarios: - Football match: issue a yellow card to issue a warning for a non-violent foul, followed by a red card for serious misconduct to eject the player. - Hockey practice: coach or official uses the cards during scrimmages to enforce penalties and guide players. - Youth league game or training: referee signals infringements clearly to teach fair play and ensure orderly conduct.