DESIGN: Steeltip dartboard bundle Tournament quality regulation 17.75" in diameter Made from compressed sisal fibers for longevity Sisal fibers automatically close the holes left behind by darts to return board back to its original state Staple-free bullseye and galvanized triangular spider wire decreases bounce outs Easy-to-use mounting hardware for easy set up Cabinet doors are fitted with self-closing brushed nickel hinges Features built-in dry erase scoreboards Darts and accessories can be stored in compartment below board Runs on 4 AA batteries Dart mat handily rolls out onto floor to protect from bounce outs