Anti-Fatigue Modular DOME MatsDesigned to help prevent injuries and increase worker comfort• Raised dome design increases circulation in the users legs through subtle posture changes resulting in less stress• Beveled edging to help prevent tripping• Recommended for dry work environments • All mats are 1/2" thick, natural rubber  • Colour: BlackDimensions (W' x L') 3 x 4 in Border colour Black or YellowComes in 3 x 4 End or Center Pieces to allow you to customize the length of your Mats.Mat requires 2 ends and at least 1 Center Piece