C.R.S. § 25-4-1309

Surfaces of product module display units, tethers, and display equipment which are not intended for food contact but which are exposed to splash, food debris, or other soiling shall be designed and fabricated to be smooth, cleanable, durable under conditions of normal use, and free of unnecessary ledges, projections, and crevices. The materials for non-food-contact surfaces shall be nonabsorbent or made nonabsorbent by being finished and sealed with a cleanable coating.