Mission Heavy Duty Dartboard Surround. Mission Dartboard Surrounds are perfect to protect the area around the dartboard from stray darts. Suitable for all bristle dartboards. NB Dartboard not included. Mission Dartboard Surround – Pro – Heavy Duty – Plain – Blue-SU003Mission Heavy Duty Dartboard Surround. Mission Dartboard Surrounds are perfect to protect the area around the dartboard from stray darts. Suitable for all bristle dartboards. NB Dartboard not included. Mission Dartboard Surround – Pro – Heavy Duty – Plain – BlackMission Heavy Duty Dartboard Surround. Mission Dartboard Surrounds are perfect to protect the area around the dartboard from stray darts. Suitable for all bristle dartboards. NB Dartboard not included. Mission Dartboard Surround – Pro – Heavy Duty – Plain – Red-SU002