●Accommodates Both Standard 17. 75 Inch And 18 Inch Bristle Dartboard ●Provides 8. 2 Square Feet Of Protection, With A 1 Inch Thick High-Density V-Foam ●An Attractive Velvet Surface Minimizes Signs Of Wear ●Easy To Assemble Compression Fitting Requires No Additional Bracing, Mounting Hardware Or Tools