NFL Dartboard & Surround - Official Licensed Products. Heavy Duty Surround with Design and competition dartboard with ultra-thin wire construction. Licensed dartboard is manufactured from high-quality African sisal and features a staple-free construction and vibrant non-fade colours. NFL - Printed Dartboard & Printed Surround - Official Licensed - Minnesota Vikings. This item is printed to order and may take an extra 2-6 days for delivery