Made of durable, crack-resistant polypropylene, these portion containers are perfect for the many diverse dining and carryout applications in today's foodservice market. For dining, portion containers can serve anything from small side dishes to salad dressing and whipped butter. For carryout, when coupled with a lid, they safely transport side sauces such as ranch dressing, marinara, salsa and more. Rolled rim produces an audible snap closure to let you know the seal is secure. Microwave-safe construction is completely transparent to keep your contents visible. Portion cups are designed for use with Solo PL2N lids (sold separately).