Snap-on Poly Covers fit tightly on Poly Rounds, yet are easily removed. Designed from impact, stain, and chemical resistant material for lasting service in the kitchen, these covers are an economical choice in storing a wide range of ingredients and prepared foods. The natural white coloring protects contents from light. Resists temperatures -40°F to 160°F (-40°C to 70°C), and is safe for commercial dishwashers and high volume use without losing freshness protection. The Poly Cover is an excellent complement to the Cambro Poly Rounds, providing a lasting solution to any food storage system.