NEW DESIGN!!! The SIC 30 Oz. Tumbler is the perfect size to go with you wherever life's next adventure takes you! This cup was designed specifically to fit in all of your cup holders. Our triple insulated technology guarantees maximum temperature retention and our splash proof slide lid ensures your drink stays where it belongs. We only use the finest 18/8 kitchen grade stainless steel  along with Tritan plastic lids. Like all SIC products, the 30 Oz. tumblers are always backed by the SIC Lifetime warranty.