The Osprey manufacturer Tervis is launching a new line of 20- and 30-ounce stainless steel cups. The products are already available at the company's factory store, 928 S. Tamiami Trail, Osprey, and will begin being sold online on Monday, April 17. Like Tervis' plastic tumblers, the new cups will come with a limited lifetime warranty and are both shatter- and spill-proof.