Mission Darts Players - Surround - Wessel Nijman. Upgrade your darts setup with the Mission Wessel Nijman Dartboard Surround. Made from a high-quality flexible polymer material, this surround features Nijman’s logo and the Mission branding. Add a touch of personality and style to your darts equipment at home with this signature surround designed for the former Players Championship title winner. This surround has been engineered to be extremely durable and will fit tightly around a steel tip dartboard.