Rhino Diamond Plate/KnobBack 2'x3'x3/4" 2 Yellow Anti-Fatigue Mats [ DTK2436Y ] Rhino Diamond Plate/KnobBack 2'x3'x3/4" 2 Yellow [ DTK2436Y ] - Visit http://rhino-mats.com/anti_fatigue_mats.html to view color options. Let us know your color choices at checkout.