Rhino Diamond 3' x 9/16" x Lin. Ft. (up to 75') Anti-Fatigue Mats [ DTT36 ] Rhino Diamond 3' x 9/16" x Lin. Ft. (up to 75') [ DTT36 ] - Visit http://rhino-mats.com/anti_fatigue_mats.html to view color options. Let us know your color choices at checkout.