These Tamper Proof Clear Round Containers and Lids are heavy duty, made of a recyclable, food safe durable PP plastic which is microwaveable up to 70 degrees Celsius. Their lids are Tamper-Proof with a security tab, which must be broken before the lid can be removed, but can be refitted on to the container sealing the food for consumption at a later time – while maintaining the freshness of the food inside. Ideal for retailing cold and hot food in bulk, such as deli foods, fresh soup, vegetables, dips etc. Other sizes available.