Safety Stance Drainage Anti-Fatigue Mat, 4 Sided, 28 in W x 40 in L, Rubber, Black/Yellow

Features : Resilient natural rubber compound withstands many common industrial cutting oils and chemicals | Large hole configuration facilitates drainage and resists clogging | Raised mini-diamond studs on top surface minimize slippage | Colored beveled borders are permanently affixed to the mat to prevent swelling/curling | Comes with 3-sided or 4-sided borders