One of our most popular mats is now available in metal detectable material. Our metal detectable mats are differentiated with a third die-cut hole. Knobby surface of both sideswill allow for circulation of air or liquid. Mat with the "X" helps prevent cross-contamination - use the solid colored side for product contact. Formulated with FDA approved materials. Features three 3/4" reinforced die-cut hanging holes for use with stainless steel mat hanger (#141-2200). 21" x 27".