The simplest solution yet to protecting your wall from errant dart throws is here with the Viper Defender II Dartboard Surround! This stylish V-Foam surround requires no installation tools, just snap it together around your dartboard and you are ready to play! This tough and durable defender will stand up to the most wicked throws, should an errant throw slip by. The cork sheet adorning this board will brighten up your room and look good protecting your walls. Take the guesswork out of deciding which board to purchase, as this surrounding defender will fit perfectly with any regulation sized (17.75") sisal or bristle dartboard!