Reditainer Extreme Freeze Deli Food Containers with Lids, 40-Pack 12 oz. Extreme Freeze Reditainer - Package of 40 Freezable Deli Food Containers with tight sealing lids Designed especially for Freezing, capable of withstanding temperature to (-40 degrees ) for extended periods of time Clear Heavy Gauge Engineered Polypropylene Plastic Commercial Restaurant Quality - Microwaveable - Reusable - Dishwasher Safe