FEATURES: Includes Viper(R) League sisal dartboard & Wall Defender III League tournament quality regulation 17.75" diameter board Compressed sisal fiber construction delivers long lasting longevity Rotatable / detachable number ring around board to move prime spots to new locations Staple-free bullseye with galvanized steel wire spider 8.2 sq. ft. Wall Defender III shields your wall & keeps it protected from rouge throws