Jones-Zylon was a brand known for producing durable plastic housewares and camping equipment. Their products often featured practical designs and were made from sturdy, resilient materials suitable for outdoor use, or everyday wear and tear. The “SM-819” model number and “made in U.S.A.” Inscription confirm its domestic manufacturing and specific product identification. Made from MaxFlex material: Will not crack or shard. BPA free and dishwasher safe. Temperature Range -40 F to 225 F. Meets FDA requirements as a multi-use product for public food service