Duraflex Rubber Pans in assorted sizes stay flexible even in the coldest of temperatures. Duraflex plastic flat-back buckets come in numerous sizes and colors. A wall bracket is available for the flat-back buckets. The black Duraflex rubber buckets are tough, crush-proof and flexible even in freezing temperatures.The 5-gallon all-season heated bucket is thermostatically controlled to operate only when necessary. The DuraFlex 70-quart muck tub works great for animal feed. Haul them easily with the muck cart. We also have an 8-quart plastic calf pail.